Warning: Permanently added '54.174.182.132' (ED25519) to the list of known hosts.
Running (timeout=18000): unbuffer mock --spec /var/lib/copr-rpmbuild/workspace/workdir-dm7h725e/rubygem-sassc/rubygem-sassc.spec --sources /var/lib/copr-rpmbuild/workspace/workdir-dm7h725e/rubygem-sassc --resultdir /var/lib/copr-rpmbuild/results --uniqueext 1778363645.128122 -r /var/lib/copr-rpmbuild/results/configs/child.cfg
INFO: mock.py version 6.7 starting (python version = 3.14.2, NVR = mock-6.7-1.fc43), args: /usr/libexec/mock/mock --spec /var/lib/copr-rpmbuild/workspace/workdir-dm7h725e/rubygem-sassc/rubygem-sassc.spec --sources /var/lib/copr-rpmbuild/workspace/workdir-dm7h725e/rubygem-sassc --resultdir /var/lib/copr-rpmbuild/results --uniqueext 1778363645.128122 -r /var/lib/copr-rpmbuild/results/configs/child.cfg
Start: init plugins
INFO: tmpfs initialized
INFO: selinux enabled
INFO: chroot_scan: initialized
INFO: compress_logs: initialized
Finish: init plugins
INFO: Signal handler active
Start: run
INFO: Start(/var/lib/copr-rpmbuild/workspace/workdir-dm7h725e/rubygem-sassc/rubygem-sassc.spec)  Config(fedora-43-x86_64)
Start: clean chroot
Finish: clean chroot
Mock Version: 6.7
INFO: Mock Version: 6.7
Start: chroot init
INFO: mounting tmpfs at /var/lib/mock/fedora-43-x86_64-1778363645.128122/root.
INFO: calling preinit hooks
INFO: enabled root cache
INFO: enabled package manager cache
Start: cleaning package manager metadata
Finish: cleaning package manager metadata
INFO: enabled HW Info plugin
INFO: Package manager dnf5 detected and used (fallback)
INFO: Buildroot is handled by package management from host and used with --installroot:
  rpm-6.0.1-1.fc43.x86_64
  rpm-sequoia-1.10.0-1.fc43.x86_64
  python3-dnf-4.24.0-1.fc43.noarch
  python3-dnf-plugins-core-4.10.1-6.fc43.noarch
  dnf5-5.2.18.0-3.fc43.x86_64
  dnf5-plugins-5.2.18.0-3.fc43.x86_64
Start: installing minimal buildroot with dnf5
Updating and loading repositories:
 Copr repository                        100% | 448.8 KiB/s |  29.6 KiB |  00m00s
 Additional repo https_copr_be_cloud_fe 100% |  81.6 KiB/s |  29.6 KiB |  00m00s
 fedora                                 100% |  33.3 MiB/s |  35.7 MiB |  00m01s
 updates                                100% |  10.4 MiB/s |  10.6 MiB |  00m01s
Repositories loaded.
Package                            Arch   Version                     Repository      Size
Installing group/module packages:
 bash                              x86_64 5.3.0-2.fc43                fedora       8.4 MiB
 bzip2                             x86_64 1.0.8-21.fc43               fedora      95.3 KiB
 coreutils                         x86_64 9.7-8.fc43                  updates      5.4 MiB
 cpio                              x86_64 2.15-6.fc43                 fedora       1.1 MiB
 diffutils                         x86_64 3.12-3.fc43                 fedora       1.6 MiB
 fedora-release-common             noarch 43-27                       updates     20.6 KiB
 findutils                         x86_64 1:4.10.0-6.fc43             fedora       1.8 MiB
 gawk                              x86_64 5.3.2-2.fc43                fedora       1.8 MiB
 glibc-minimal-langpack            x86_64 2.42-12.fc43                updates      0.0   B
 grep                              x86_64 3.12-2.fc43                 fedora       1.0 MiB
 gzip                              x86_64 1.13-4.fc43                 fedora     388.8 KiB
 info                              x86_64 7.2-7.fc43                  updates    353.9 KiB
 patch                             x86_64 2.8-2.fc43                  fedora     222.8 KiB
 redhat-rpm-config                 noarch 343-12.fc43                 updates    182.9 KiB
 rpm-build                         x86_64 6.0.1-1.fc43                updates    287.5 KiB
 sed                               x86_64 4.9-5.fc43                  fedora     857.3 KiB
 shadow-utils                      x86_64 2:4.18.0-3.fc43             fedora       3.9 MiB
 tar                               x86_64 2:1.35-6.fc43               fedora       2.9 MiB
 unzip                             x86_64 6.0-67.fc43                 fedora     386.3 KiB
 util-linux                        x86_64 2.41.4-7.fc43               updates      3.5 MiB
 which                             x86_64 2.23-3.fc43                 fedora      83.5 KiB
 xz                                x86_64 1:5.8.1-4.fc43              updates      1.3 MiB
Installing dependencies:
 add-determinism                   x86_64 0.6.0-3.fc43                updates      2.3 MiB
 alternatives                      x86_64 1.33-3.fc43                 updates     62.2 KiB
 ansible-srpm-macros               noarch 1-18.1.fc43                 fedora      35.7 KiB
 audit-libs                        x86_64 4.1.4-1.fc43                updates    378.8 KiB
 binutils                          x86_64 2.45.1-4.fc43               updates     27.3 MiB
 build-reproducibility-srpm-macros noarch 0.6.0-3.fc43                updates    735.0   B
 bzip2-libs                        x86_64 1.0.8-21.fc43               fedora      80.6 KiB
 ca-certificates                   noarch 2025.2.80_v9.0.304-1.2.fc43 updates      2.7 MiB
 coreutils-common                  x86_64 9.7-8.fc43                  updates     11.3 MiB
 crypto-policies                   noarch 20251125-1.git63291f8.fc43  updates    147.1 KiB
 curl                              x86_64 8.15.0-6.fc43               updates    461.5 KiB
 cyrus-sasl-lib                    x86_64 2.1.28-33.fc43              fedora       2.3 MiB
 debugedit                         x86_64 5.2-3.fc43                  fedora     214.0 KiB
 dwz                               x86_64 0.16-2.fc43                 fedora     287.1 KiB
 ed                                x86_64 1.22.2-1.fc43               fedora     148.1 KiB
 efi-srpm-macros                   noarch 6-4.fc43                    fedora      40.1 KiB
 elfutils                          x86_64 0.195-1.fc43                updates      2.9 MiB
 elfutils-debuginfod-client        x86_64 0.195-1.fc43                updates     84.1 KiB
 elfutils-default-yama-scope       noarch 0.195-1.fc43                updates      1.8 KiB
 elfutils-libelf                   x86_64 0.195-1.fc43                updates      1.2 MiB
 elfutils-libs                     x86_64 0.195-1.fc43                updates    691.5 KiB
 fedora-gpg-keys                   noarch 43-1                        fedora     131.2 KiB
 fedora-release                    noarch 43-27                       updates      0.0   B
 fedora-release-identity-basic     noarch 43-27                       updates    631.0   B
 fedora-repos                      noarch 43-1                        fedora       4.9 KiB
 file                              x86_64 5.46-9.fc43                 updates    100.2 KiB
 file-libs                         x86_64 5.46-9.fc43                 updates     11.9 MiB
 filesystem                        x86_64 3.18-50.fc43                fedora     112.0   B
 filesystem-srpm-macros            noarch 3.18-50.fc43                fedora      38.2 KiB
 fonts-srpm-macros                 noarch 1:2.0.5-23.fc43             fedora      55.8 KiB
 forge-srpm-macros                 noarch 0.4.0-3.fc43                fedora      38.9 KiB
 fpc-srpm-macros                   noarch 1.3-15.fc43                 fedora     144.0   B
 gap-srpm-macros                   noarch 2-1.fc43                    fedora       2.1 KiB
 gdb-minimal                       x86_64 17.1-4.fc43                 updates     13.6 MiB
 gdbm-libs                         x86_64 1:1.23-10.fc43              fedora     129.9 KiB
 ghc-srpm-macros                   noarch 1.9.2-3.fc43                fedora     779.0   B
 glibc                             x86_64 2.42-12.fc43                updates      6.7 MiB
 glibc-common                      x86_64 2.42-12.fc43                updates      1.0 MiB
 glibc-gconv-extra                 x86_64 2.42-12.fc43                updates      7.2 MiB
 gmp                               x86_64 1:6.3.0-4.fc43              fedora     811.2 KiB
 gnat-srpm-macros                  noarch 7-1.fc43                    updates      1.0 KiB
 gnulib-l10n                       noarch 20241231-1.fc43             fedora     655.0 KiB
 gnupg2                            x86_64 2.4.9-5.fc43                updates      6.6 MiB
 gnupg2-dirmngr                    x86_64 2.4.9-5.fc43                updates    618.4 KiB
 gnupg2-gpg-agent                  x86_64 2.4.9-5.fc43                updates    671.4 KiB
 gnupg2-gpgconf                    x86_64 2.4.9-5.fc43                updates    250.0 KiB
 gnupg2-keyboxd                    x86_64 2.4.9-5.fc43                updates    201.4 KiB
 gnupg2-verify                     x86_64 2.4.9-5.fc43                updates    348.5 KiB
 gnutls                            x86_64 3.8.13-1.fc43               updates      3.8 MiB
 go-srpm-macros                    noarch 3.8.0-1.fc43                fedora      61.9 KiB
 gpgverify                         noarch 2.2-3.fc43                  fedora       8.7 KiB
 ima-evm-utils-libs                x86_64 1.6.2-6.fc43                fedora      60.7 KiB
 jansson                           x86_64 2.14-3.fc43                 fedora      89.1 KiB
 java-srpm-macros                  noarch 1-7.fc43                    fedora     870.0   B
 json-c                            x86_64 0.18-7.fc43                 fedora      82.7 KiB
 kernel-srpm-macros                noarch 1.0-27.fc43                 fedora       1.9 KiB
 keyutils-libs                     x86_64 1.6.3-6.fc43                fedora      54.3 KiB
 krb5-libs                         x86_64 1.22.2-4.fc43               updates      2.3 MiB
 libacl                            x86_64 2.3.2-4.fc43                fedora      35.9 KiB
 libarchive                        x86_64 3.8.4-1.fc43                updates    955.3 KiB
 libassuan                         x86_64 2.5.7-4.fc43                fedora     163.8 KiB
 libattr                           x86_64 2.5.2-6.fc43                fedora      24.4 KiB
 libblkid                          x86_64 2.41.4-7.fc43               updates    262.4 KiB
 libbrotli                         x86_64 1.2.0-1.fc43                updates    865.4 KiB
 libcap                            x86_64 2.76-4.fc43                 updates    209.1 KiB
 libcap-ng                         x86_64 0.9.3-1.fc43                updates     69.0 KiB
 libcom_err                        x86_64 1.47.3-2.fc43               fedora      63.1 KiB
 libcurl                           x86_64 8.15.0-6.fc43               updates    907.2 KiB
 libeconf                          x86_64 0.7.9-2.fc43                fedora      64.9 KiB
 libevent                          x86_64 2.1.12-16.fc43              fedora     883.1 KiB
 libfdisk                          x86_64 2.41.4-7.fc43               updates    380.4 KiB
 libffi                            x86_64 3.5.2-1.fc43                updates     83.8 KiB
 libfsverity                       x86_64 1.6-3.fc43                  fedora      28.5 KiB
 libgcc                            x86_64 15.2.1-7.fc43               updates    266.6 KiB
 libgcrypt                         x86_64 1.11.1-4.fc43               updates      1.6 MiB
 libgomp                           x86_64 15.2.1-7.fc43               updates    541.5 KiB
 libgpg-error                      x86_64 1.55-2.fc43                 fedora     915.3 KiB
 libidn2                           x86_64 2.3.8-2.fc43                fedora     552.5 KiB
 libksba                           x86_64 1.6.7-4.fc43                fedora     398.5 KiB
 liblastlog2                       x86_64 2.41.4-7.fc43               updates     33.9 KiB
 libmount                          x86_64 2.41.4-7.fc43               updates    372.7 KiB
 libnghttp2                        x86_64 1.66.0-2.fc43               fedora     162.2 KiB
 libpkgconf                        x86_64 2.3.0-3.fc43                fedora      78.1 KiB
 libpsl                            x86_64 0.21.5-6.fc43               fedora      76.4 KiB
 libselinux                        x86_64 3.9-5.fc43                  fedora     193.1 KiB
 libsemanage                       x86_64 3.9-4.fc43                  fedora     308.5 KiB
 libsepol                          x86_64 3.9-2.fc43                  fedora     822.0 KiB
 libsmartcols                      x86_64 2.41.4-7.fc43               updates    180.5 KiB
 libssh                            x86_64 0.11.4-1.fc43               updates    571.8 KiB
 libssh-config                     noarch 0.11.4-1.fc43               updates    277.0   B
 libstdc++                         x86_64 15.2.1-7.fc43               updates      2.8 MiB
 libtasn1                          x86_64 4.21.0-1.fc43               updates    176.7 KiB
 libtool-ltdl                      x86_64 2.5.4-8.fc43                updates     70.1 KiB
 libunistring                      x86_64 1.1-10.fc43                 fedora       1.7 MiB
 libusb1                           x86_64 1.0.29-4.fc43               fedora     171.3 KiB
 libuuid                           x86_64 2.41.4-7.fc43               updates     37.4 KiB
 libverto                          x86_64 0.3.2-11.fc43               fedora      25.4 KiB
 libxcrypt                         x86_64 4.5.2-1.fc43                updates    285.3 KiB
 libxml2                           x86_64 2.12.10-5.fc43              fedora       1.7 MiB
 libzstd                           x86_64 1.5.7-2.fc43                fedora     799.9 KiB
 lua-libs                          x86_64 5.4.8-4.fc43                updates    281.9 KiB
 lua-srpm-macros                   noarch 1-16.fc43                   fedora       1.3 KiB
 lz4-libs                          x86_64 1.10.0-3.fc43               fedora     161.4 KiB
 mpfr                              x86_64 4.2.2-2.fc43                fedora     832.8 KiB
 ncurses-base                      noarch 6.5-7.20250614.fc43         fedora     328.1 KiB
 ncurses-libs                      x86_64 6.5-7.20250614.fc43         fedora     946.3 KiB
 nettle                            x86_64 3.10.1-2.fc43               fedora     790.6 KiB
 npth                              x86_64 1.8-3.fc43                  fedora      49.6 KiB
 ocaml-srpm-macros                 noarch 11-2.fc43                   fedora       1.9 KiB
 openblas-srpm-macros              noarch 2-20.fc43                   fedora     112.0   B
 openldap                          x86_64 2.6.13-1.fc43               updates    658.1 KiB
 openssl-libs                      x86_64 1:3.5.4-3.fc43              updates      8.9 MiB
 p11-kit                           x86_64 0.26.2-1.fc43               updates      2.5 MiB
 p11-kit-trust                     x86_64 0.26.2-1.fc43               updates    466.5 KiB
 package-notes-srpm-macros         noarch 0.5-15.fc43                 updates      1.6 KiB
 pam-libs                          x86_64 1.7.1-4.fc43                updates    126.8 KiB
 pcre2                             x86_64 10.47-1.fc43                updates    702.6 KiB
 pcre2-syntax                      noarch 10.47-1.fc43                updates    281.9 KiB
 perl-srpm-macros                  noarch 1-60.fc43                   fedora     861.0   B
 pkgconf                           x86_64 2.3.0-3.fc43                fedora      88.5 KiB
 pkgconf-m4                        noarch 2.3.0-3.fc43                fedora      14.4 KiB
 pkgconf-pkg-config                x86_64 2.3.0-3.fc43                fedora     989.0   B
 popt                              x86_64 1.19-9.fc43                 fedora     132.8 KiB
 publicsuffix-list-dafsa           noarch 20260116-1.fc43             updates     70.4 KiB
 pyproject-srpm-macros             noarch 1.21.0-1.fc43               updates      3.0 KiB
 python-srpm-macros                noarch 3.14-5.fc43                 fedora      51.5 KiB
 qt5-srpm-macros                   noarch 5.15.18-1.fc43              updates    500.0   B
 qt6-srpm-macros                   noarch 6.10.3-1.fc43               updates    472.0   B
 readline                          x86_64 8.3-2.fc43                  fedora     511.7 KiB
 rpm                               x86_64 6.0.1-1.fc43                updates      3.1 MiB
 rpm-build-libs                    x86_64 6.0.1-1.fc43                updates    264.4 KiB
 rpm-libs                          x86_64 6.0.1-1.fc43                updates    933.7 KiB
 rpm-sequoia                       x86_64 1.10.2-1.fc43               updates      2.4 MiB
 rpm-sign-libs                     x86_64 6.0.1-1.fc43                updates     39.7 KiB
 rust-srpm-macros                  noarch 28.4-1.fc43                 updates      5.5 KiB
 setup                             noarch 2.15.0-26.fc43              fedora     725.0 KiB
 sqlite-libs                       x86_64 3.50.2-2.fc43               fedora       1.5 MiB
 systemd-libs                      x86_64 258.7-1.fc43                updates      2.3 MiB
 systemd-standalone-sysusers       x86_64 258.7-1.fc43                updates    293.6 KiB
 tpm2-tss                          x86_64 4.1.3-8.fc43                fedora       1.6 MiB
 tree-sitter-srpm-macros           noarch 0.4.2-1.fc43                fedora       8.3 KiB
 util-linux-core                   x86_64 2.41.4-7.fc43               updates      1.5 MiB
 xxhash-libs                       x86_64 0.8.3-3.fc43                fedora      90.2 KiB
 xz-libs                           x86_64 1:5.8.1-4.fc43              updates    217.8 KiB
 zig-srpm-macros                   noarch 1-5.fc43                    fedora       1.1 KiB
 zip                               x86_64 3.0-44.fc43                 fedora     694.5 KiB
 zlib-ng-compat                    x86_64 2.3.3-2.fc43                updates    161.7 KiB
 zstd                              x86_64 1.5.7-2.fc43                fedora       1.7 MiB
Installing groups:
 Buildsystem building group                                                               

Transaction Summary:
 Installing:       170 packages

Total size of inbound packages is 59 MiB. Need to download 59 MiB.
After this operation, 200 MiB extra will be used (install 200 MiB, remove 0 B).
[  1/170] bzip2-0:1.0.8-21.fc43.x86_64  100% |   3.6 MiB/s |  51.6 KiB |  00m00s
[  2/170] cpio-0:2.15-6.fc43.x86_64     100% |  14.3 MiB/s | 293.1 KiB |  00m00s
[  3/170] findutils-1:4.10.0-6.fc43.x86 100% |  59.7 MiB/s | 550.0 KiB |  00m00s
[  4/170] diffutils-0:3.12-3.fc43.x86_6 100% |  22.5 MiB/s | 392.3 KiB |  00m00s
[  5/170] grep-0:3.12-2.fc43.x86_64     100% |  41.7 MiB/s | 299.1 KiB |  00m00s
[  6/170] gzip-0:1.13-4.fc43.x86_64     100% |  27.7 MiB/s | 170.1 KiB |  00m00s
[  7/170] patch-0:2.8-2.fc43.x86_64     100% |  12.3 MiB/s | 113.8 KiB |  00m00s
[  8/170] sed-0:4.9-5.fc43.x86_64       100% |  31.0 MiB/s | 317.1 KiB |  00m00s
[  9/170] tar-2:1.35-6.fc43.x86_64      100% | 104.5 MiB/s | 856.4 KiB |  00m00s
[ 10/170] shadow-utils-2:4.18.0-3.fc43. 100% |  75.4 MiB/s |   1.3 MiB |  00m00s
[ 11/170] unzip-0:6.0-67.fc43.x86_64    100% |  22.4 MiB/s | 183.7 KiB |  00m00s
[ 12/170] which-0:2.23-3.fc43.x86_64    100% |  13.6 MiB/s |  41.7 KiB |  00m00s
[ 13/170] coreutils-0:9.7-8.fc43.x86_64 100% | 189.9 MiB/s |   1.1 MiB |  00m00s
[ 14/170] fedora-release-common-0:43-27 100% |   5.5 MiB/s |  22.6 KiB |  00m00s
[ 15/170] glibc-minimal-langpack-0:2.42 100% |  20.8 MiB/s |  42.6 KiB |  00m00s
[ 16/170] gawk-0:5.3.2-2.fc43.x86_64    100% | 187.4 MiB/s |   1.1 MiB |  00m00s
[ 17/170] info-0:7.2-7.fc43.x86_64      100% |  35.7 MiB/s | 182.7 KiB |  00m00s
[ 18/170] redhat-rpm-config-0:343-12.fc 100% |  15.2 MiB/s |  77.9 KiB |  00m00s
[ 19/170] rpm-build-0:6.0.1-1.fc43.x86_ 100% |  15.0 MiB/s | 137.8 KiB |  00m00s
[ 20/170] util-linux-0:2.41.4-7.fc43.x8 100% | 108.5 MiB/s |   1.2 MiB |  00m00s
[ 21/170] xz-1:5.8.1-4.fc43.x86_64      100% |  93.2 MiB/s | 572.7 KiB |  00m00s
[ 22/170] filesystem-0:3.18-50.fc43.x86 100% | 190.5 MiB/s |   1.3 MiB |  00m00s
[ 23/170] ncurses-libs-0:6.5-7.20250614 100% |  54.2 MiB/s | 332.7 KiB |  00m00s
[ 24/170] bzip2-libs-0:1.0.8-21.fc43.x8 100% |   8.4 MiB/s |  43.1 KiB |  00m00s
[ 25/170] libselinux-0:3.9-5.fc43.x86_6 100% |  19.1 MiB/s |  97.7 KiB |  00m00s
[ 26/170] libattr-0:2.5.2-6.fc43.x86_64 100% |   8.7 MiB/s |  17.9 KiB |  00m00s
[ 27/170] ed-0:1.22.2-1.fc43.x86_64     100% |  27.2 MiB/s |  83.7 KiB |  00m00s
[ 28/170] libacl-0:2.3.2-4.fc43.x86_64  100% |  23.7 MiB/s |  24.3 KiB |  00m00s
[ 29/170] libeconf-0:0.7.9-2.fc43.x86_6 100% |  11.5 MiB/s |  35.2 KiB |  00m00s
[ 30/170] libsemanage-0:3.9-4.fc43.x86_ 100% |  24.1 MiB/s | 123.5 KiB |  00m00s
[ 31/170] setup-0:2.15.0-26.fc43.noarch 100% |  38.4 MiB/s | 157.3 KiB |  00m00s
[ 32/170] gmp-1:6.3.0-4.fc43.x86_64     100% |  78.0 MiB/s | 319.3 KiB |  00m00s
[ 33/170] fedora-repos-0:43-1.noarch    100% |   1.8 MiB/s |   9.1 KiB |  00m00s
[ 34/170] coreutils-common-0:9.7-8.fc43 100% | 140.1 MiB/s |   2.1 MiB |  00m00s
[ 35/170] mpfr-0:4.2.2-2.fc43.x86_64    100% |  42.4 MiB/s | 347.0 KiB |  00m00s
[ 36/170] readline-0:8.3-2.fc43.x86_64  100% |  73.1 MiB/s | 224.6 KiB |  00m00s
[ 37/170] ansible-srpm-macros-0:1-18.1. 100% |   9.7 MiB/s |  19.9 KiB |  00m00s
[ 38/170] glibc-common-0:2.42-12.fc43.x 100% |  64.4 MiB/s | 329.8 KiB |  00m00s
[ 39/170] dwz-0:0.16-2.fc43.x86_64      100% |  26.5 MiB/s | 135.5 KiB |  00m00s
[ 40/170] efi-srpm-macros-0:6-4.fc43.no 100% |   5.5 MiB/s |  22.4 KiB |  00m00s
[ 41/170] fonts-srpm-macros-1:2.0.5-23. 100% |   8.8 MiB/s |  27.2 KiB |  00m00s
[ 42/170] filesystem-srpm-macros-0:3.18 100% |   5.2 MiB/s |  26.4 KiB |  00m00s
[ 43/170] forge-srpm-macros-0:0.4.0-3.f 100% |   6.5 MiB/s |  20.1 KiB |  00m00s
[ 44/170] fpc-srpm-macros-0:1.3-15.fc43 100% |   2.6 MiB/s |   7.9 KiB |  00m00s
[ 45/170] gap-srpm-macros-0:2-1.fc43.no 100% |   2.9 MiB/s |   9.0 KiB |  00m00s
[ 46/170] ghc-srpm-macros-0:1.9.2-3.fc4 100% |   2.8 MiB/s |   8.7 KiB |  00m00s
[ 47/170] bash-0:5.3.0-2.fc43.x86_64    100% |  11.3 MiB/s |   1.9 MiB |  00m00s
[ 48/170] go-srpm-macros-0:3.8.0-1.fc43 100% |  13.8 MiB/s |  28.3 KiB |  00m00s
[ 49/170] kernel-srpm-macros-0:1.0-27.f 100% |   4.4 MiB/s |   8.9 KiB |  00m00s
[ 50/170] lua-srpm-macros-0:1-16.fc43.n 100% |   2.9 MiB/s |   8.8 KiB |  00m00s
[ 51/170] java-srpm-macros-0:1-7.fc43.n 100% |   1.1 MiB/s |   7.9 KiB |  00m00s
[ 52/170] ocaml-srpm-macros-0:11-2.fc43 100% |   1.8 MiB/s |   9.3 KiB |  00m00s
[ 53/170] openblas-srpm-macros-0:2-20.f 100% |   1.9 MiB/s |   7.6 KiB |  00m00s
[ 54/170] perl-srpm-macros-0:1-60.fc43. 100% |   2.0 MiB/s |   8.3 KiB |  00m00s
[ 55/170] python-srpm-macros-0:3.14-5.f 100% |   7.6 MiB/s |  23.4 KiB |  00m00s
[ 56/170] tree-sitter-srpm-macros-0:0.4 100% |   4.3 MiB/s |  13.4 KiB |  00m00s
[ 57/170] zig-srpm-macros-0:1-5.fc43.no 100% |   2.1 MiB/s |   8.4 KiB |  00m00s
[ 58/170] zip-0:3.0-44.fc43.x86_64      100% |  63.9 MiB/s | 261.6 KiB |  00m00s
[ 59/170] debugedit-0:5.2-3.fc43.x86_64 100% |  20.9 MiB/s |  85.6 KiB |  00m00s
[ 60/170] popt-0:1.19-9.fc43.x86_64     100% |  10.7 MiB/s |  65.7 KiB |  00m00s
[ 61/170] rpm-0:6.0.1-1.fc43.x86_64     100% | 112.8 MiB/s | 577.7 KiB |  00m00s
[ 62/170] zstd-0:1.5.7-2.fc43.x86_64    100% |  47.4 MiB/s | 485.9 KiB |  00m00s
[ 63/170] util-linux-core-0:2.41.4-7.fc 100% |  76.9 MiB/s | 551.2 KiB |  00m00s
[ 64/170] xz-libs-1:5.8.1-4.fc43.x86_64 100% |  22.0 MiB/s | 112.8 KiB |  00m00s
[ 65/170] ncurses-base-0:6.5-7.20250614 100% |  28.7 MiB/s |  88.2 KiB |  00m00s
[ 66/170] gnulib-l10n-0:20241231-1.fc43 100% |  29.3 MiB/s | 150.2 KiB |  00m00s
[ 67/170] libsepol-0:3.9-2.fc43.x86_64  100% |  48.2 MiB/s | 345.4 KiB |  00m00s
[ 68/170] fedora-gpg-keys-0:43-1.noarch 100% |  22.6 MiB/s | 138.9 KiB |  00m00s
[ 69/170] glibc-0:2.42-12.fc43.x86_64   100% | 220.6 MiB/s |   2.2 MiB |  00m00s
[ 70/170] lz4-libs-0:1.10.0-3.fc43.x86_ 100% |   6.3 MiB/s |  78.0 KiB |  00m00s
[ 71/170] rpm-libs-0:6.0.1-1.fc43.x86_6 100% |  39.2 MiB/s | 401.0 KiB |  00m00s
[ 72/170] glibc-gconv-extra-0:2.42-12.f 100% | 226.6 MiB/s |   1.6 MiB |  00m00s
[ 73/170] libzstd-0:1.5.7-2.fc43.x86_64 100% |  38.4 MiB/s | 314.6 KiB |  00m00s
[ 74/170] sqlite-libs-0:3.50.2-2.fc43.x 100% |  92.8 MiB/s | 760.5 KiB |  00m00s
[ 75/170] rpm-sign-libs-0:6.0.1-1.fc43. 100% |   9.1 MiB/s |  28.0 KiB |  00m00s
[ 76/170] rpm-build-libs-0:6.0.1-1.fc43 100% |  31.0 MiB/s | 126.8 KiB |  00m00s
[ 77/170] ima-evm-utils-libs-0:1.6.2-6. 100% |  14.3 MiB/s |  29.3 KiB |  00m00s
[ 78/170] json-c-0:0.18-7.fc43.x86_64   100% |  14.6 MiB/s |  45.0 KiB |  00m00s
[ 79/170] tpm2-tss-0:4.1.3-8.fc43.x86_6 100% |  83.2 MiB/s | 425.9 KiB |  00m00s
[ 80/170] libfsverity-0:1.6-3.fc43.x86_ 100% |   3.0 MiB/s |  18.6 KiB |  00m00s
[ 81/170] libusb1-0:1.0.29-4.fc43.x86_6 100% |  26.0 MiB/s |  79.9 KiB |  00m00s
[ 82/170] libuuid-0:2.41.4-7.fc43.x86_6 100% |   8.7 MiB/s |  26.6 KiB |  00m00s
[ 83/170] libblkid-0:2.41.4-7.fc43.x86_ 100% |  30.2 MiB/s | 123.9 KiB |  00m00s
[ 84/170] libmount-0:2.41.4-7.fc43.x86_ 100% |  39.8 MiB/s | 163.0 KiB |  00m00s
[ 85/170] libgcc-0:15.2.1-7.fc43.x86_64 100% |  26.7 MiB/s | 136.5 KiB |  00m00s
[ 86/170] libsmartcols-0:2.41.4-7.fc43. 100% |  20.6 MiB/s |  84.2 KiB |  00m00s
[ 87/170] libxcrypt-0:4.5.2-1.fc43.x86_ 100% |  25.0 MiB/s | 128.1 KiB |  00m00s
[ 88/170] systemd-libs-0:258.7-1.fc43.x 100% | 134.7 MiB/s | 827.9 KiB |  00m00s
[ 89/170] libcap-ng-0:0.9.3-1.fc43.x86_ 100% |  11.0 MiB/s |  33.9 KiB |  00m00s
[ 90/170] audit-libs-0:4.1.4-1.fc43.x86 100% |  19.3 MiB/s | 138.3 KiB |  00m00s
[ 91/170] libfdisk-0:2.41.4-7.fc43.x86_ 100% |  39.6 MiB/s | 162.1 KiB |  00m00s
[ 92/170] liblastlog2-0:2.41.4-7.fc43.x 100% |   7.7 MiB/s |  23.6 KiB |  00m00s
[ 93/170] pam-libs-0:1.7.1-4.fc43.x86_6 100% |  18.5 MiB/s |  57.0 KiB |  00m00s
[ 94/170] zlib-ng-compat-0:2.3.3-2.fc43 100% |  21.7 MiB/s |  88.7 KiB |  00m00s
[ 95/170] libcap-0:2.76-4.fc43.x86_64   100% |  28.0 MiB/s |  86.1 KiB |  00m00s
[ 96/170] gnupg2-0:2.4.9-5.fc43.x86_64  100% | 204.5 MiB/s |   1.6 MiB |  00m00s
[ 97/170] libassuan-0:2.5.7-4.fc43.x86_ 100% |  11.0 MiB/s |  67.4 KiB |  00m00s
[ 98/170] gpgverify-0:2.2-3.fc43.noarch 100% |   1.8 MiB/s |  11.1 KiB |  00m00s
[ 99/170] npth-0:1.8-3.fc43.x86_64      100% |   8.4 MiB/s |  25.7 KiB |  00m00s
[100/170] libgpg-error-0:1.55-2.fc43.x8 100% |  59.6 MiB/s | 244.3 KiB |  00m00s
[101/170] gnupg2-dirmngr-0:2.4.9-5.fc43 100% |  53.7 MiB/s | 275.0 KiB |  00m00s
[102/170] gnupg2-gpg-agent-0:2.4.9-5.fc 100% |  89.0 MiB/s | 273.4 KiB |  00m00s
[103/170] gnupg2-gpgconf-0:2.4.9-5.fc43 100% |  56.3 MiB/s | 115.3 KiB |  00m00s
[104/170] gnupg2-keyboxd-0:2.4.9-5.fc43 100% |  23.1 MiB/s |  94.7 KiB |  00m00s
[105/170] gnupg2-verify-0:2.4.9-5.fc43. 100% |  55.8 MiB/s | 171.6 KiB |  00m00s
[106/170] libksba-0:1.6.7-4.fc43.x86_64 100% |  39.2 MiB/s | 160.4 KiB |  00m00s
[107/170] libstdc++-0:15.2.1-7.fc43.x86 100% | 150.4 MiB/s | 924.0 KiB |  00m00s
[108/170] lua-libs-0:5.4.8-4.fc43.x86_6 100% |  32.5 MiB/s | 133.1 KiB |  00m00s
[109/170] rpm-sequoia-0:1.10.2-1.fc43.x 100% | 112.0 MiB/s | 917.5 KiB |  00m00s
[110/170] elfutils-libelf-0:0.195-1.fc4 100% |  33.8 MiB/s | 207.4 KiB |  00m00s
[111/170] elfutils-libs-0:0.195-1.fc43. 100% |  44.2 MiB/s | 271.4 KiB |  00m00s
[112/170] elfutils-debuginfod-client-0: 100% |  22.5 MiB/s |  46.0 KiB |  00m00s
[113/170] elfutils-0:0.195-1.fc43.x86_6 100% |  94.1 MiB/s | 578.2 KiB |  00m00s
[114/170] file-0:5.46-9.fc43.x86_64     100% |  11.8 MiB/s |  48.5 KiB |  00m00s
[115/170] file-libs-0:5.46-9.fc43.x86_6 100% |  92.2 MiB/s | 849.9 KiB |  00m00s
[116/170] libgomp-0:15.2.1-7.fc43.x86_6 100% |  73.6 MiB/s | 376.9 KiB |  00m00s
[117/170] jansson-0:2.14-3.fc43.x86_64  100% |   5.5 MiB/s |  45.3 KiB |  00m00s
[118/170] libarchive-0:3.8.4-1.fc43.x86 100% |  51.6 MiB/s | 422.6 KiB |  00m00s
[119/170] pkgconf-pkg-config-0:2.3.0-3. 100% |   2.3 MiB/s |   9.6 KiB |  00m00s
[120/170] libxml2-0:2.12.10-5.fc43.x86_ 100% |  75.2 MiB/s | 692.7 KiB |  00m00s
[121/170] pkgconf-0:2.3.0-3.fc43.x86_64 100% |   5.4 MiB/s |  44.6 KiB |  00m00s
[122/170] pkgconf-m4-0:2.3.0-3.fc43.noa 100% |   2.3 MiB/s |  13.9 KiB |  00m00s
[123/170] libpkgconf-0:2.3.0-3.fc43.x86 100% |   9.3 MiB/s |  37.9 KiB |  00m00s
[124/170] curl-0:8.15.0-6.fc43.x86_64   100% |  44.3 MiB/s | 226.9 KiB |  00m00s
[125/170] build-reproducibility-srpm-ma 100% |   3.9 MiB/s |  11.9 KiB |  00m00s
[126/170] add-determinism-0:0.6.0-3.fc4 100% | 174.5 MiB/s | 893.7 KiB |  00m00s
[127/170] gnat-srpm-macros-0:7-1.fc43.n 100% |   2.1 MiB/s |   8.7 KiB |  00m00s
[128/170] package-notes-srpm-macros-0:0 100% |   2.2 MiB/s |   9.0 KiB |  00m00s
[129/170] pyproject-srpm-macros-0:1.21. 100% |   3.6 MiB/s |  14.7 KiB |  00m00s
[130/170] qt5-srpm-macros-0:5.15.18-1.f 100% |   1.7 MiB/s |   8.6 KiB |  00m00s
[131/170] qt6-srpm-macros-0:6.10.3-1.fc 100% |   2.2 MiB/s |   9.1 KiB |  00m00s
[132/170] rust-srpm-macros-0:28.4-1.fc4 100% |   1.3 MiB/s |  10.8 KiB |  00m00s
[133/170] binutils-0:2.45.1-4.fc43.x86_ 100% |  91.3 MiB/s |   5.9 MiB |  00m00s
[134/170] libgcrypt-0:1.11.1-4.fc43.x86 100% |  44.8 MiB/s | 596.0 KiB |  00m00s
[135/170] openssl-libs-1:3.5.4-3.fc43.x 100% | 104.8 MiB/s |   2.6 MiB |  00m00s
[136/170] gnutls-0:3.8.13-1.fc43.x86_64 100% | 126.2 MiB/s |   1.4 MiB |  00m00s
[137/170] libidn2-0:2.3.8-2.fc43.x86_64 100% |  24.4 MiB/s | 174.9 KiB |  00m00s
[138/170] libunistring-0:1.1-10.fc43.x8 100% |  66.3 MiB/s | 542.9 KiB |  00m00s
[139/170] openldap-0:2.6.13-1.fc43.x86_ 100% |  50.7 MiB/s | 259.7 KiB |  00m00s
[140/170] nettle-0:3.10.1-2.fc43.x86_64 100% |  41.4 MiB/s | 424.2 KiB |  00m00s
[141/170] libevent-0:2.1.12-16.fc43.x86 100% |  42.0 MiB/s | 257.8 KiB |  00m00s
[142/170] cyrus-sasl-lib-0:2.1.28-33.fc 100% |  96.2 MiB/s | 787.9 KiB |  00m00s
[143/170] gdbm-libs-1:1.23-10.fc43.x86_ 100% |  13.9 MiB/s |  56.8 KiB |  00m00s
[144/170] elfutils-default-yama-scope-0 100% |  10.9 MiB/s |  11.2 KiB |  00m00s
[145/170] alternatives-0:1.33-3.fc43.x8 100% |  19.8 MiB/s |  40.6 KiB |  00m00s
[146/170] pcre2-0:10.47-1.fc43.x86_64   100% |  87.0 MiB/s | 267.2 KiB |  00m00s
[147/170] pcre2-syntax-0:10.47-1.fc43.n 100% |  53.6 MiB/s | 164.7 KiB |  00m00s
[148/170] ca-certificates-0:2025.2.80_v 100% | 190.3 MiB/s | 974.5 KiB |  00m00s
[149/170] crypto-policies-0:20251125-1. 100% |  23.9 MiB/s |  97.8 KiB |  00m00s
[150/170] libtool-ltdl-0:2.5.4-8.fc43.x 100% |   8.8 MiB/s |  36.2 KiB |  00m00s
[151/170] libtasn1-0:4.21.0-1.fc43.x86_ 100% |  24.3 MiB/s |  74.5 KiB |  00m00s
[152/170] p11-kit-trust-0:0.26.2-1.fc43 100% |  45.7 MiB/s | 140.4 KiB |  00m00s
[153/170] p11-kit-0:0.26.2-1.fc43.x86_6 100% | 131.1 MiB/s | 537.2 KiB |  00m00s
[154/170] libffi-0:3.5.2-1.fc43.x86_64  100% |  13.4 MiB/s |  41.1 KiB |  00m00s
[155/170] systemd-standalone-sysusers-0 100% |  36.2 MiB/s | 148.4 KiB |  00m00s
[156/170] xxhash-libs-0:0.8.3-3.fc43.x8 100% |   7.5 MiB/s |  38.5 KiB |  00m00s
[157/170] fedora-release-0:43-27.noarch 100% |   1.6 MiB/s |  11.5 KiB |  00m00s
[158/170] fedora-release-identity-basic 100% |   1.5 MiB/s |  12.3 KiB |  00m00s
[159/170] libcurl-0:8.15.0-6.fc43.x86_6 100% |  65.6 MiB/s | 403.1 KiB |  00m00s
[160/170] gdb-minimal-0:17.1-4.fc43.x86 100% | 165.7 MiB/s |   4.5 MiB |  00m00s
[161/170] libnghttp2-0:1.66.0-2.fc43.x8 100% |   5.9 MiB/s |  72.5 KiB |  00m00s
[162/170] libpsl-0:0.21.5-6.fc43.x86_64 100% |   5.8 MiB/s |  65.0 KiB |  00m00s
[163/170] libssh-config-0:0.11.4-1.fc43 100% |   3.0 MiB/s |   9.2 KiB |  00m00s
[164/170] publicsuffix-list-dafsa-0:202 100% |  14.7 MiB/s |  60.3 KiB |  00m00s
[165/170] libssh-0:0.11.4-1.fc43.x86_64 100% |  45.6 MiB/s | 233.3 KiB |  00m00s
[166/170] libcom_err-0:1.47.3-2.fc43.x8 100% |   6.5 MiB/s |  26.8 KiB |  00m00s
[167/170] krb5-libs-0:1.22.2-4.fc43.x86 100% | 107.5 MiB/s | 770.4 KiB |  00m00s
[168/170] keyutils-libs-0:1.6.3-6.fc43. 100% |   4.4 MiB/s |  31.4 KiB |  00m00s
[169/170] libverto-0:0.3.2-11.fc43.x86_ 100% |   4.0 MiB/s |  20.7 KiB |  00m00s
[170/170] libbrotli-0:1.2.0-1.fc43.x86_ 100% |  68.2 MiB/s | 349.3 KiB |  00m00s
--------------------------------------------------------------------------------
[170/170] Total                         100% | 132.3 MiB/s |  59.3 MiB |  00m00s
Running transaction
Importing OpenPGP key 0x31645531:
 UserID     : "Fedora (43) <fedora-43-primary@fedoraproject.org>"
 Fingerprint: C6E7F081CF80E13146676E88829B606631645531
 From       : file:///usr/share/distribution-gpg-keys/fedora/RPM-GPG-KEY-fedora-43-primary
The key was successfully imported.
[  1/172] Verify package files          100% | 489.0   B/s | 170.0   B |  00m00s
[  2/172] Prepare transaction           100% |   3.5 KiB/s | 170.0   B |  00m00s
[  3/172] Installing libgcc-0:15.2.1-7. 100% | 262.0 MiB/s | 268.3 KiB |  00m00s
[  4/172] Installing publicsuffix-list- 100% |   0.0   B/s |  71.1 KiB |  00m00s
[  5/172] Installing libssh-config-0:0. 100% |   0.0   B/s | 816.0   B |  00m00s
[  6/172] Installing fedora-release-ide 100% | 867.2 KiB/s | 888.0   B |  00m00s
[  7/172] Installing fedora-gpg-keys-0: 100% |  43.7 MiB/s | 179.0 KiB |  00m00s
[  8/172] Installing fedora-repos-0:43- 100% |   0.0   B/s |   5.7 KiB |  00m00s
[  9/172] Installing fedora-release-com 100% |  24.3 MiB/s |  24.8 KiB |  00m00s
[ 10/172] Installing fedora-release-0:4 100% |   7.6 KiB/s | 124.0   B |  00m00s
>>> Running sysusers scriptlet: setup-0:2.15.0-26.fc43.noarch                   
>>> Finished sysusers scriptlet: setup-0:2.15.0-26.fc43.noarch                  
>>> Scriptlet output:                                                           
>>> Creating group 'adm' with GID 4.                                            
>>> Creating group 'audio' with GID 63.                                         
>>> Creating group 'cdrom' with GID 11.                                         
>>> Creating group 'clock' with GID 103.                                        
>>> Creating group 'dialout' with GID 18.                                       
>>> Creating group 'disk' with GID 6.                                           
>>> Creating group 'floppy' with GID 19.                                        
>>> Creating group 'ftp' with GID 50.                                           
>>> Creating group 'games' with GID 20.                                         
>>> Creating group 'input' with GID 104.                                        
>>> Creating group 'kmem' with GID 9.                                           
>>> Creating group 'kvm' with GID 36.                                           
>>> Creating group 'lock' with GID 54.                                          
>>> Creating group 'lp' with GID 7.                                             
>>> Creating group 'mail' with GID 12.                                          
>>> Creating group 'man' with GID 15.                                           
>>> Creating group 'mem' with GID 8.                                            
>>> Creating group 'nobody' with GID 65534.                                     
>>> Creating group 'render' with GID 105.                                       
>>> Creating group 'root' with GID 0.                                           
>>> Creating group 'sgx' with GID 106.                                          
>>> Creating group 'sys' with GID 3.                                            
>>> Creating group 'tape' with GID 33.                                          
>>> Creating group 'tty' with GID 5.                                            
>>> Creating group 'users' with GID 100.                                        
>>> Creating group 'utmp' with GID 22.                                          
>>> Creating group 'video' with GID 39.                                         
>>> Creating group 'wheel' with GID 10.                                         
>>> Creating user 'adm' (adm) with UID 3 and GID 4.                             
>>> Creating group 'bin' with GID 1.                                            
>>> Creating user 'bin' (bin) with UID 1 and GID 1.                             
>>> Creating group 'daemon' with GID 2.                                         
>>> Creating user 'daemon' (daemon) with UID 2 and GID 2.                       
>>> Creating user 'ftp' (FTP User) with UID 14 and GID 50.                      
>>> Creating user 'games' (games) with UID 12 and GID 100.                      
>>> Creating user 'halt' (halt) with UID 7 and GID 0.                           
>>> Creating user 'lp' (lp) with UID 4 and GID 7.                               
>>> Creating user 'mail' (mail) with UID 8 and GID 12.                          
>>> Creating user 'nobody' (Kernel Overflow User) with UID 65534 and GID 65534. 
>>> Creating user 'operator' (operator) with UID 11 and GID 0.                  
>>> Creating user 'root' (Super User) with UID 0 and GID 0.                     
>>> Creating user 'shutdown' (shutdown) with UID 6 and GID 0.                   
>>> Creating user 'sync' (sync) with UID 5 and GID 0.                           
>>>                                                                             
[ 11/172] Installing setup-0:2.15.0-26. 100% |  42.0 MiB/s | 730.6 KiB |  00m00s
[ 12/172] Installing filesystem-0:3.18- 100% |   2.5 MiB/s | 212.8 KiB |  00m00s
[ 13/172] Installing pcre2-syntax-0:10. 100% | 138.8 MiB/s | 284.3 KiB |  00m00s
[ 14/172] Installing rust-srpm-macros-0 100% |   0.0   B/s |   6.4 KiB |  00m00s
[ 15/172] Installing qt6-srpm-macros-0: 100% |   0.0   B/s | 748.0   B |  00m00s
[ 16/172] Installing qt5-srpm-macros-0: 100% |   0.0   B/s | 776.0   B |  00m00s
[ 17/172] Installing package-notes-srpm 100% |   0.0   B/s |   2.0 KiB |  00m00s
[ 18/172] Installing gnat-srpm-macros-0 100% |   0.0   B/s |   1.3 KiB |  00m00s
[ 19/172] Installing pkgconf-m4-0:2.3.0 100% |   0.0   B/s |  14.8 KiB |  00m00s
[ 20/172] Installing gnulib-l10n-0:2024 100% | 161.6 MiB/s | 661.9 KiB |  00m00s
[ 21/172] Installing coreutils-common-0 100% | 332.1 MiB/s |  11.3 MiB |  00m00s
[ 22/172] Installing ncurses-base-0:6.5 100% |  69.0 MiB/s | 353.5 KiB |  00m00s
[ 23/172] Installing bash-0:5.3.0-2.fc4 100% | 227.8 MiB/s |   8.4 MiB |  00m00s
[ 24/172] Installing glibc-common-0:2.4 100% |  53.6 MiB/s |   1.0 MiB |  00m00s
[ 25/172] Installing glibc-gconv-extra- 100% | 251.0 MiB/s |   7.3 MiB |  00m00s
[ 26/172] Installing glibc-0:2.42-12.fc 100% | 155.9 MiB/s |   6.7 MiB |  00m00s
[ 27/172] Installing ncurses-libs-0:6.5 100% | 232.6 MiB/s | 952.8 KiB |  00m00s
[ 28/172] Installing glibc-minimal-lang 100% |   0.0   B/s | 124.0   B |  00m00s
[ 29/172] Installing zlib-ng-compat-0:2 100% | 158.7 MiB/s | 162.6 KiB |  00m00s
[ 30/172] Installing bzip2-libs-0:1.0.8 100% |  79.8 MiB/s |  81.7 KiB |  00m00s
[ 31/172] Installing libgpg-error-0:1.5 100% |  52.9 MiB/s | 921.1 KiB |  00m00s
[ 32/172] Installing libstdc++-0:15.2.1 100% | 316.0 MiB/s |   2.8 MiB |  00m00s
[ 33/172] Installing xz-libs-1:5.8.1-4. 100% | 213.8 MiB/s | 218.9 KiB |  00m00s
[ 34/172] Installing libassuan-0:2.5.7- 100% | 161.7 MiB/s | 165.6 KiB |  00m00s
[ 35/172] Installing libgcrypt-0:1.11.1 100% | 315.0 MiB/s |   1.6 MiB |  00m00s
[ 36/172] Installing readline-0:8.3-2.f 100% | 250.9 MiB/s | 513.9 KiB |  00m00s
[ 37/172] Installing gmp-1:6.3.0-4.fc43 100% | 264.8 MiB/s | 813.5 KiB |  00m00s
[ 38/172] Installing libuuid-0:2.41.4-7 100% |  37.6 MiB/s |  38.5 KiB |  00m00s
[ 39/172] Installing popt-0:1.19-9.fc43 100% |  68.1 MiB/s | 139.4 KiB |  00m00s
[ 40/172] Installing npth-0:1.8-3.fc43. 100% |  49.5 MiB/s |  50.7 KiB |  00m00s
[ 41/172] Installing libblkid-0:2.41.4- 100% | 257.4 MiB/s | 263.6 KiB |  00m00s
[ 42/172] Installing libzstd-0:1.5.7-2. 100% | 260.8 MiB/s | 801.1 KiB |  00m00s
[ 43/172] Installing elfutils-libelf-0: 100% | 386.0 MiB/s |   1.2 MiB |  00m00s
[ 44/172] Installing sqlite-libs-0:3.50 100% | 303.3 MiB/s |   1.5 MiB |  00m00s
[ 45/172] Installing libxcrypt-0:4.5.2- 100% | 140.6 MiB/s | 288.0 KiB |  00m00s
[ 46/172] Installing gnupg2-gpgconf-0:2 100% |  16.4 MiB/s | 252.1 KiB |  00m00s
[ 47/172] Installing libattr-0:2.5.2-6. 100% |  24.8 MiB/s |  25.4 KiB |  00m00s
[ 48/172] Installing libacl-0:2.3.2-4.f 100% |   0.0   B/s |  36.8 KiB |  00m00s
[ 49/172] Installing libunistring-0:1.1 100% | 287.8 MiB/s |   1.7 MiB |  00m00s
[ 50/172] Installing libidn2-0:2.3.8-2. 100% | 181.9 MiB/s | 558.7 KiB |  00m00s
[ 51/172] Installing libtasn1-0:4.21.0- 100% |  17.4 MiB/s | 178.6 KiB |  00m00s
[ 52/172] Installing crypto-policies-0: 100% |  33.6 MiB/s | 172.2 KiB |  00m00s
[ 53/172] Installing dwz-0:0.16-2.fc43. 100% |  17.6 MiB/s | 288.5 KiB |  00m00s
[ 54/172] Installing gnupg2-verify-0:2. 100% |  22.8 MiB/s | 349.9 KiB |  00m00s
[ 55/172] Installing mpfr-0:4.2.2-2.fc4 100% | 271.6 MiB/s | 834.4 KiB |  00m00s
[ 56/172] Installing gawk-0:5.3.2-2.fc4 100% |  86.5 MiB/s |   1.8 MiB |  00m00s
[ 57/172] Installing libksba-0:1.6.7-4. 100% | 195.8 MiB/s | 401.1 KiB |  00m00s
[ 58/172] Installing unzip-0:6.0-67.fc4 100% |  25.4 MiB/s | 389.8 KiB |  00m00s
[ 59/172] Installing file-libs-0:5.46-9 100% | 564.8 MiB/s |  11.9 MiB |  00m00s
[ 60/172] Installing file-0:5.46-9.fc43 100% |   7.1 MiB/s | 101.7 KiB |  00m00s
[ 61/172] Installing libeconf-0:0.7.9-2 100% |  65.0 MiB/s |  66.5 KiB |  00m00s
[ 62/172] Installing libsepol-0:3.9-2.f 100% | 267.9 MiB/s | 822.9 KiB |  00m00s
[ 63/172] Installing lz4-libs-0:1.10.0- 100% | 158.6 MiB/s | 162.5 KiB |  00m00s
[ 64/172] Installing json-c-0:0.18-7.fc 100% |  82.0 MiB/s |  84.0 KiB |  00m00s
[ 65/172] Installing libsmartcols-0:2.4 100% | 177.2 MiB/s | 181.5 KiB |  00m00s
[ 66/172] Installing libcap-ng-0:0.9.3- 100% |  69.2 MiB/s |  70.9 KiB |  00m00s
[ 67/172] Installing audit-libs-0:4.1.4 100% | 186.2 MiB/s | 381.4 KiB |  00m00s
[ 68/172] Installing pam-libs-0:1.7.1-4 100% | 126.1 MiB/s | 129.1 KiB |  00m00s
[ 69/172] Installing libcap-0:2.76-4.fc 100% |  14.0 MiB/s | 214.3 KiB |  00m00s
[ 70/172] Installing systemd-libs-0:258 100% | 292.1 MiB/s |   2.3 MiB |  00m00s
[ 71/172] Installing lua-libs-0:5.4.8-4 100% | 138.3 MiB/s | 283.3 KiB |  00m00s
[ 72/172] Installing alternatives-0:1.3 100% |   4.4 MiB/s |  63.8 KiB |  00m00s
[ 73/172] Installing pcre2-0:10.47-1.fc 100% | 229.2 MiB/s | 704.1 KiB |  00m00s
[ 74/172] Installing libselinux-0:3.9-5 100% | 189.8 MiB/s | 194.4 KiB |  00m00s
[ 75/172] Installing grep-0:3.12-2.fc43 100% |  52.8 MiB/s |   1.0 MiB |  00m00s
[ 76/172] Installing findutils-1:4.10.0 100% |  92.9 MiB/s |   1.9 MiB |  00m00s
[ 77/172] Installing sed-0:4.9-5.fc43.x 100% |  47.0 MiB/s | 865.5 KiB |  00m00s
[ 78/172] Installing xz-1:5.8.1-4.fc43. 100% |  66.6 MiB/s |   1.3 MiB |  00m00s
[ 79/172] Installing libmount-0:2.41.4- 100% | 182.5 MiB/s | 373.8 KiB |  00m00s
[ 80/172] Installing libffi-0:3.5.2-1.f 100% |  83.2 MiB/s |  85.2 KiB |  00m00s
[ 81/172] Installing p11-kit-0:0.26.2-1 100% | 109.1 MiB/s |   2.5 MiB |  00m00s
[ 82/172] Installing p11-kit-trust-0:0. 100% |  16.9 MiB/s | 468.2 KiB |  00m00s
[ 83/172] Installing openssl-libs-1:3.5 100% | 330.2 MiB/s |   8.9 MiB |  00m00s
[ 84/172] Installing coreutils-0:9.7-8. 100% | 136.3 MiB/s |   5.5 MiB |  00m00s
[ 85/172] Installing ca-certificates-0: 100% |   1.7 MiB/s |   2.5 MiB |  00m01s
[ 86/172] Installing gzip-0:1.13-4.fc43 100% |  22.7 MiB/s | 394.4 KiB |  00m00s
[ 87/172] Installing libfsverity-0:1.6- 100% |  28.8 MiB/s |  29.5 KiB |  00m00s
[ 88/172] Installing rpm-sequoia-0:1.10 100% | 297.5 MiB/s |   2.4 MiB |  00m00s
[ 89/172] Installing libevent-0:2.1.12- 100% | 216.5 MiB/s | 886.8 KiB |  00m00s
[ 90/172] Installing util-linux-core-0: 100% |  67.3 MiB/s |   1.5 MiB |  00m00s
[ 91/172] Installing tar-2:1.35-6.fc43. 100% | 123.3 MiB/s |   3.0 MiB |  00m00s
[ 92/172] Installing libsemanage-0:3.9- 100% | 151.5 MiB/s | 310.2 KiB |  00m00s
[ 93/172] Installing systemd-standalone 100% |  19.2 MiB/s | 294.2 KiB |  00m00s
[ 94/172] Installing rpm-libs-0:6.0.1-1 100% | 228.3 MiB/s | 935.3 KiB |  00m00s
[ 95/172] Installing libusb1-0:1.0.29-4 100% |  11.3 MiB/s | 172.9 KiB |  00m00s
>>> Running sysusers scriptlet: tpm2-tss-0:4.1.3-8.fc43.x86_64                  
>>> Finished sysusers scriptlet: tpm2-tss-0:4.1.3-8.fc43.x86_64                 
>>> Scriptlet output:                                                           
>>> Creating group 'tss' with GID 59.                                           
>>> Creating user 'tss' (Account used for TPM access) with UID 59 and GID 59.   
>>>                                                                             
[ 96/172] Installing tpm2-tss-0:4.1.3-8 100% | 224.6 MiB/s |   1.6 MiB |  00m00s
[ 97/172] Installing ima-evm-utils-libs 100% |  60.5 MiB/s |  62.0 KiB |  00m00s
[ 98/172] Installing gnupg2-gpg-agent-0 100% |  25.4 MiB/s | 675.4 KiB |  00m00s
[ 99/172] Installing zstd-0:1.5.7-2.fc4 100% |  90.0 MiB/s |   1.7 MiB |  00m00s
[100/172] Installing zip-0:3.0-44.fc43. 100% |  40.1 MiB/s | 698.4 KiB |  00m00s
[101/172] Installing gnupg2-keyboxd-0:2 100% |  22.0 MiB/s | 202.7 KiB |  00m00s
[102/172] Installing libpsl-0:0.21.5-6. 100% |  75.7 MiB/s |  77.5 KiB |  00m00s
[103/172] Installing liblastlog2-0:2.41 100% |   3.9 MiB/s |  36.0 KiB |  00m00s
[104/172] Installing libfdisk-0:2.41.4- 100% | 186.2 MiB/s | 381.4 KiB |  00m00s
[105/172] Installing nettle-0:3.10.1-2. 100% | 193.8 MiB/s | 793.7 KiB |  00m00s
[106/172] Installing gnutls-0:3.8.13-1. 100% | 313.9 MiB/s |   3.8 MiB |  00m00s
[107/172] Installing libxml2-0:2.12.10- 100% |  81.2 MiB/s |   1.7 MiB |  00m00s
[108/172] Installing libarchive-0:3.8.4 100% | 233.7 MiB/s | 957.2 KiB |  00m00s
[109/172] Installing bzip2-0:1.0.8-21.f 100% |   6.5 MiB/s |  99.8 KiB |  00m00s
[110/172] Installing add-determinism-0: 100% | 115.1 MiB/s |   2.3 MiB |  00m00s
[111/172] Installing build-reproducibil 100% |   1.0 MiB/s |   1.0 KiB |  00m00s
[112/172] Installing cpio-0:2.15-6.fc43 100% |  61.1 MiB/s |   1.1 MiB |  00m00s
[113/172] Installing diffutils-0:3.12-3 100% |  78.1 MiB/s |   1.6 MiB |  00m00s
[114/172] Installing ed-0:1.22.2-1.fc43 100% |   9.8 MiB/s | 150.4 KiB |  00m00s
[115/172] Installing patch-0:2.8-2.fc43 100% |  14.6 MiB/s | 224.3 KiB |  00m00s
[116/172] Installing libgomp-0:15.2.1-7 100% | 265.1 MiB/s | 542.9 KiB |  00m00s
[117/172] Installing jansson-0:2.14-3.f 100% |  88.3 MiB/s |  90.5 KiB |  00m00s
[118/172] Installing libpkgconf-0:2.3.0 100% |  77.4 MiB/s |  79.2 KiB |  00m00s
[119/172] Installing pkgconf-0:2.3.0-3. 100% |   6.3 MiB/s |  91.0 KiB |  00m00s
[120/172] Installing pkgconf-pkg-config 100% | 126.7 KiB/s |   1.8 KiB |  00m00s
[121/172] Installing gdbm-libs-1:1.23-1 100% | 128.5 MiB/s | 131.6 KiB |  00m00s
[122/172] Installing cyrus-sasl-lib-0:2 100% | 109.3 MiB/s |   2.3 MiB |  00m00s
[123/172] Installing libtool-ltdl-0:2.5 100% |  69.6 MiB/s |  71.2 KiB |  00m00s
[124/172] Installing openldap-0:2.6.13- 100% | 215.5 MiB/s | 661.9 KiB |  00m00s
[125/172] Installing gnupg2-dirmngr-0:2 100% |  23.3 MiB/s | 621.1 KiB |  00m00s
[126/172] Installing gnupg2-0:2.4.9-5.f 100% | 193.1 MiB/s |   6.6 MiB |  00m00s
[127/172] Installing rpm-sign-libs-0:6. 100% |  39.6 MiB/s |  40.6 KiB |  00m00s
[128/172] Installing gpgverify-0:2.2-3. 100% |   0.0   B/s |   9.4 KiB |  00m00s
[129/172] Installing xxhash-libs-0:0.8. 100% |  89.4 MiB/s |  91.6 KiB |  00m00s
[130/172] Installing libnghttp2-0:1.66. 100% | 159.5 MiB/s | 163.3 KiB |  00m00s
[131/172] Installing keyutils-libs-0:1. 100% |  54.4 MiB/s |  55.7 KiB |  00m00s
[132/172] Installing libcom_err-0:1.47. 100% |  62.7 MiB/s |  64.2 KiB |  00m00s
[133/172] Installing libverto-0:0.3.2-1 100% |  26.6 MiB/s |  27.2 KiB |  00m00s
[134/172] Installing krb5-libs-0:1.22.2 100% | 259.1 MiB/s |   2.3 MiB |  00m00s
[135/172] Installing libssh-0:0.11.4-1. 100% | 186.8 MiB/s | 573.9 KiB |  00m00s
[136/172] Installing libbrotli-0:1.2.0- 100% | 211.8 MiB/s | 867.7 KiB |  00m00s
[137/172] Installing libcurl-0:8.15.0-6 100% | 221.8 MiB/s | 908.3 KiB |  00m00s
[138/172] Installing curl-0:8.15.0-6.fc 100% |  16.2 MiB/s | 464.0 KiB |  00m00s
[139/172] Installing rpm-0:6.0.1-1.fc43 100% |  64.4 MiB/s |   2.6 MiB |  00m00s
[140/172] Installing efi-srpm-macros-0: 100% |  40.2 MiB/s |  41.1 KiB |  00m00s
[141/172] Installing java-srpm-macros-0 100% |   0.0   B/s |   1.1 KiB |  00m00s
[142/172] Installing lua-srpm-macros-0: 100% |   0.0   B/s |   1.9 KiB |  00m00s
[143/172] Installing tree-sitter-srpm-m 100% |   0.0   B/s |   9.3 KiB |  00m00s
[144/172] Installing zig-srpm-macros-0: 100% |   0.0   B/s |   1.7 KiB |  00m00s
[145/172] Installing filesystem-srpm-ma 100% |   0.0   B/s |  38.9 KiB |  00m00s
[146/172] Installing elfutils-default-y 100% | 255.4 KiB/s |   2.0 KiB |  00m00s
[147/172] Installing elfutils-libs-0:0. 100% | 169.3 MiB/s | 693.3 KiB |  00m00s
[148/172] Installing elfutils-debuginfo 100% |   4.7 MiB/s |  86.4 KiB |  00m00s
[149/172] Installing elfutils-0:0.195-1 100% | 122.5 MiB/s |   2.9 MiB |  00m00s
[150/172] Installing binutils-0:2.45.1- 100% | 273.8 MiB/s |  27.4 MiB |  00m00s
[151/172] Installing gdb-minimal-0:17.1 100% | 238.7 MiB/s |  13.6 MiB |  00m00s
[152/172] Installing debugedit-0:5.2-3. 100% |  13.3 MiB/s | 217.3 KiB |  00m00s
[153/172] Installing rpm-build-libs-0:6 100% | 129.5 MiB/s | 265.2 KiB |  00m00s
[154/172] Installing perl-srpm-macros-0 100% |   0.0   B/s |   1.1 KiB |  00m00s
[155/172] Installing openblas-srpm-macr 100% |   0.0   B/s | 392.0   B |  00m00s
[156/172] Installing ocaml-srpm-macros- 100% |   0.0   B/s |   2.1 KiB |  00m00s
[157/172] Installing kernel-srpm-macros 100% |   0.0   B/s |   2.3 KiB |  00m00s
[158/172] Installing ghc-srpm-macros-0: 100% |   0.0   B/s |   1.0 KiB |  00m00s
[159/172] Installing gap-srpm-macros-0: 100% |   0.0   B/s |   2.7 KiB |  00m00s
[160/172] Installing fpc-srpm-macros-0: 100% |   0.0   B/s | 420.0   B |  00m00s
[161/172] Installing ansible-srpm-macro 100% |  35.4 MiB/s |  36.2 KiB |  00m00s
[162/172] Installing rpm-build-0:6.0.1- 100% |  17.0 MiB/s | 296.4 KiB |  00m00s
[163/172] Installing pyproject-srpm-mac 100% |   3.5 MiB/s |   3.6 KiB |  00m00s
[164/172] Installing redhat-rpm-config- 100% |  92.3 MiB/s | 189.1 KiB |  00m00s
[165/172] Installing forge-srpm-macros- 100% |  39.3 MiB/s |  40.3 KiB |  00m00s
[166/172] Installing fonts-srpm-macros- 100% |  55.7 MiB/s |  57.0 KiB |  00m00s
[167/172] Installing go-srpm-macros-0:3 100% |  61.6 MiB/s |  63.0 KiB |  00m00s
[168/172] Installing python-srpm-macros 100% |  25.8 MiB/s |  52.8 KiB |  00m00s
[169/172] Installing util-linux-0:2.41. 100% |  79.5 MiB/s |   3.6 MiB |  00m00s
[170/172] Installing shadow-utils-2:4.1 100% | 113.4 MiB/s |   4.0 MiB |  00m00s
[171/172] Installing which-0:2.23-3.fc4 100% |   5.6 MiB/s |  85.7 KiB |  00m00s
[172/172] Installing info-0:7.2-7.fc43. 100% | 178.2 KiB/s | 354.3 KiB |  00m02s
Complete!
Finish: installing minimal buildroot with dnf5
Start: creating root cache
Finish: creating root cache
Finish: chroot init
INFO: Installed packages:
INFO: add-determinism-0.6.0-3.fc43.x86_64
alternatives-1.33-3.fc43.x86_64
ansible-srpm-macros-1-18.1.fc43.noarch
audit-libs-4.1.4-1.fc43.x86_64
bash-5.3.0-2.fc43.x86_64
binutils-2.45.1-4.fc43.x86_64
build-reproducibility-srpm-macros-0.6.0-3.fc43.noarch
bzip2-1.0.8-21.fc43.x86_64
bzip2-libs-1.0.8-21.fc43.x86_64
ca-certificates-2025.2.80_v9.0.304-1.2.fc43.noarch
coreutils-9.7-8.fc43.x86_64
coreutils-common-9.7-8.fc43.x86_64
cpio-2.15-6.fc43.x86_64
crypto-policies-20251125-1.git63291f8.fc43.noarch
curl-8.15.0-6.fc43.x86_64
cyrus-sasl-lib-2.1.28-33.fc43.x86_64
debugedit-5.2-3.fc43.x86_64
diffutils-3.12-3.fc43.x86_64
dwz-0.16-2.fc43.x86_64
ed-1.22.2-1.fc43.x86_64
efi-srpm-macros-6-4.fc43.noarch
elfutils-0.195-1.fc43.x86_64
elfutils-debuginfod-client-0.195-1.fc43.x86_64
elfutils-default-yama-scope-0.195-1.fc43.noarch
elfutils-libelf-0.195-1.fc43.x86_64
elfutils-libs-0.195-1.fc43.x86_64
fedora-gpg-keys-43-1.noarch
fedora-release-43-27.noarch
fedora-release-common-43-27.noarch
fedora-release-identity-basic-43-27.noarch
fedora-repos-43-1.noarch
file-5.46-9.fc43.x86_64
file-libs-5.46-9.fc43.x86_64
filesystem-3.18-50.fc43.x86_64
filesystem-srpm-macros-3.18-50.fc43.noarch
findutils-4.10.0-6.fc43.x86_64
fonts-srpm-macros-2.0.5-23.fc43.noarch
forge-srpm-macros-0.4.0-3.fc43.noarch
fpc-srpm-macros-1.3-15.fc43.noarch
gap-srpm-macros-2-1.fc43.noarch
gawk-5.3.2-2.fc43.x86_64
gdb-minimal-17.1-4.fc43.x86_64
gdbm-libs-1.23-10.fc43.x86_64
ghc-srpm-macros-1.9.2-3.fc43.noarch
glibc-2.42-12.fc43.x86_64
glibc-common-2.42-12.fc43.x86_64
glibc-gconv-extra-2.42-12.fc43.x86_64
glibc-minimal-langpack-2.42-12.fc43.x86_64
gmp-6.3.0-4.fc43.x86_64
gnat-srpm-macros-7-1.fc43.noarch
gnulib-l10n-20241231-1.fc43.noarch
gnupg2-2.4.9-5.fc43.x86_64
gnupg2-dirmngr-2.4.9-5.fc43.x86_64
gnupg2-gpg-agent-2.4.9-5.fc43.x86_64
gnupg2-gpgconf-2.4.9-5.fc43.x86_64
gnupg2-keyboxd-2.4.9-5.fc43.x86_64
gnupg2-verify-2.4.9-5.fc43.x86_64
gnutls-3.8.13-1.fc43.x86_64
go-srpm-macros-3.8.0-1.fc43.noarch
gpg-pubkey-c6e7f081cf80e13146676e88829b606631645531-66b6dccf
gpgverify-2.2-3.fc43.noarch
grep-3.12-2.fc43.x86_64
gzip-1.13-4.fc43.x86_64
ima-evm-utils-libs-1.6.2-6.fc43.x86_64
info-7.2-7.fc43.x86_64
jansson-2.14-3.fc43.x86_64
java-srpm-macros-1-7.fc43.noarch
json-c-0.18-7.fc43.x86_64
kernel-srpm-macros-1.0-27.fc43.noarch
keyutils-libs-1.6.3-6.fc43.x86_64
krb5-libs-1.22.2-4.fc43.x86_64
libacl-2.3.2-4.fc43.x86_64
libarchive-3.8.4-1.fc43.x86_64
libassuan-2.5.7-4.fc43.x86_64
libattr-2.5.2-6.fc43.x86_64
libblkid-2.41.4-7.fc43.x86_64
libbrotli-1.2.0-1.fc43.x86_64
libcap-2.76-4.fc43.x86_64
libcap-ng-0.9.3-1.fc43.x86_64
libcom_err-1.47.3-2.fc43.x86_64
libcurl-8.15.0-6.fc43.x86_64
libeconf-0.7.9-2.fc43.x86_64
libevent-2.1.12-16.fc43.x86_64
libfdisk-2.41.4-7.fc43.x86_64
libffi-3.5.2-1.fc43.x86_64
libfsverity-1.6-3.fc43.x86_64
libgcc-15.2.1-7.fc43.x86_64
libgcrypt-1.11.1-4.fc43.x86_64
libgomp-15.2.1-7.fc43.x86_64
libgpg-error-1.55-2.fc43.x86_64
libidn2-2.3.8-2.fc43.x86_64
libksba-1.6.7-4.fc43.x86_64
liblastlog2-2.41.4-7.fc43.x86_64
libmount-2.41.4-7.fc43.x86_64
libnghttp2-1.66.0-2.fc43.x86_64
libpkgconf-2.3.0-3.fc43.x86_64
libpsl-0.21.5-6.fc43.x86_64
libselinux-3.9-5.fc43.x86_64
libsemanage-3.9-4.fc43.x86_64
libsepol-3.9-2.fc43.x86_64
libsmartcols-2.41.4-7.fc43.x86_64
libssh-0.11.4-1.fc43.x86_64
libssh-config-0.11.4-1.fc43.noarch
libstdc++-15.2.1-7.fc43.x86_64
libtasn1-4.21.0-1.fc43.x86_64
libtool-ltdl-2.5.4-8.fc43.x86_64
libunistring-1.1-10.fc43.x86_64
libusb1-1.0.29-4.fc43.x86_64
libuuid-2.41.4-7.fc43.x86_64
libverto-0.3.2-11.fc43.x86_64
libxcrypt-4.5.2-1.fc43.x86_64
libxml2-2.12.10-5.fc43.x86_64
libzstd-1.5.7-2.fc43.x86_64
lua-libs-5.4.8-4.fc43.x86_64
lua-srpm-macros-1-16.fc43.noarch
lz4-libs-1.10.0-3.fc43.x86_64
mpfr-4.2.2-2.fc43.x86_64
ncurses-base-6.5-7.20250614.fc43.noarch
ncurses-libs-6.5-7.20250614.fc43.x86_64
nettle-3.10.1-2.fc43.x86_64
npth-1.8-3.fc43.x86_64
ocaml-srpm-macros-11-2.fc43.noarch
openblas-srpm-macros-2-20.fc43.noarch
openldap-2.6.13-1.fc43.x86_64
openssl-libs-3.5.4-3.fc43.x86_64
p11-kit-0.26.2-1.fc43.x86_64
p11-kit-trust-0.26.2-1.fc43.x86_64
package-notes-srpm-macros-0.5-15.fc43.noarch
pam-libs-1.7.1-4.fc43.x86_64
patch-2.8-2.fc43.x86_64
pcre2-10.47-1.fc43.x86_64
pcre2-syntax-10.47-1.fc43.noarch
perl-srpm-macros-1-60.fc43.noarch
pkgconf-2.3.0-3.fc43.x86_64
pkgconf-m4-2.3.0-3.fc43.noarch
pkgconf-pkg-config-2.3.0-3.fc43.x86_64
popt-1.19-9.fc43.x86_64
publicsuffix-list-dafsa-20260116-1.fc43.noarch
pyproject-srpm-macros-1.21.0-1.fc43.noarch
python-srpm-macros-3.14-5.fc43.noarch
qt5-srpm-macros-5.15.18-1.fc43.noarch
qt6-srpm-macros-6.10.3-1.fc43.noarch
readline-8.3-2.fc43.x86_64
redhat-rpm-config-343-12.fc43.noarch
rpm-6.0.1-1.fc43.x86_64
rpm-build-6.0.1-1.fc43.x86_64
rpm-build-libs-6.0.1-1.fc43.x86_64
rpm-libs-6.0.1-1.fc43.x86_64
rpm-sequoia-1.10.2-1.fc43.x86_64
rpm-sign-libs-6.0.1-1.fc43.x86_64
rust-srpm-macros-28.4-1.fc43.noarch
sed-4.9-5.fc43.x86_64
setup-2.15.0-26.fc43.noarch
shadow-utils-4.18.0-3.fc43.x86_64
sqlite-libs-3.50.2-2.fc43.x86_64
systemd-libs-258.7-1.fc43.x86_64
systemd-standalone-sysusers-258.7-1.fc43.x86_64
tar-1.35-6.fc43.x86_64
tpm2-tss-4.1.3-8.fc43.x86_64
tree-sitter-srpm-macros-0.4.2-1.fc43.noarch
unzip-6.0-67.fc43.x86_64
util-linux-2.41.4-7.fc43.x86_64
util-linux-core-2.41.4-7.fc43.x86_64
which-2.23-3.fc43.x86_64
xxhash-libs-0.8.3-3.fc43.x86_64
xz-5.8.1-4.fc43.x86_64
xz-libs-5.8.1-4.fc43.x86_64
zig-srpm-macros-1-5.fc43.noarch
zip-3.0-44.fc43.x86_64
zlib-ng-compat-2.3.3-2.fc43.x86_64
zstd-1.5.7-2.fc43.x86_64
Start: buildsrpm
Start: rpmbuild -bs
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1778284800
Wrote: /builddir/build/SRPMS/rubygem-sassc-2.4.0-2.fc43.src.rpm
Finish: rpmbuild -bs
INFO: chroot_scan: 1 files copied to /var/lib/copr-rpmbuild/results/chroot_scan
INFO: /var/lib/mock/fedora-43-x86_64-1778363645.128122/root/var/log/dnf5.log
INFO: chroot_scan: creating tarball /var/lib/copr-rpmbuild/results/chroot_scan.tar.gz
/bin/tar: Removing leading `/' from member names
Finish: buildsrpm
INFO: Done(/var/lib/copr-rpmbuild/workspace/workdir-dm7h725e/rubygem-sassc/rubygem-sassc.spec) Config(child) 0 minutes 16 seconds
INFO: Results and/or logs in: /var/lib/copr-rpmbuild/results
INFO: Cleaning up build root ('cleanup_on_success=True')
Start: clean chroot
INFO: unmounting tmpfs.
Finish: clean chroot
INFO: Start(/var/lib/copr-rpmbuild/results/rubygem-sassc-2.4.0-2.fc43.src.rpm)  Config(fedora-43-x86_64)
Start: chroot init
INFO: mounting tmpfs at /var/lib/mock/fedora-43-x86_64-1778363645.128122/root.
INFO: calling preinit hooks
INFO: enabled root cache
Start: unpacking root cache
Finish: unpacking root cache
INFO: enabled package manager cache
Start: cleaning package manager metadata
Finish: cleaning package manager metadata
INFO: enabled HW Info plugin
INFO: Buildroot is handled by package management from host and used with --installroot:
  rpm-6.0.1-1.fc43.x86_64
  rpm-sequoia-1.10.0-1.fc43.x86_64
  python3-dnf-4.24.0-1.fc43.noarch
  python3-dnf-plugins-core-4.10.1-6.fc43.noarch
  dnf5-5.2.18.0-3.fc43.x86_64
  dnf5-plugins-5.2.18.0-3.fc43.x86_64
Finish: chroot init
Start: build phase for rubygem-sassc-2.4.0-2.fc43.src.rpm
Start: build setup for rubygem-sassc-2.4.0-2.fc43.src.rpm
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1778284800
Wrote: /builddir/build/SRPMS/rubygem-sassc-2.4.0-2.fc43.src.rpm
Updating and loading repositories:
 Additional repo https_copr_be_cloud_fe 100% |  69.2 KiB/s |   1.5 KiB |  00m00s
 Copr repository                        100% |  69.2 KiB/s |   1.5 KiB |  00m00s
 fedora                                 100% | 186.8 KiB/s |  29.5 KiB |  00m00s
 updates                                100% | 295.7 KiB/s |  27.5 KiB |  00m00s
Repositories loaded.
Package             Arch   Version         Repository      Size
Installing:
 gcc                x86_64 15.2.1-7.fc43   updates    112.0 MiB
 gcc-c++            x86_64 15.2.1-7.fc43   updates     41.4 MiB
 ruby-devel         x86_64 3.4.8-29.fc43   updates      1.6 MiB
 ruby-libs          x86_64 3.4.8-29.fc43   updates     15.1 MiB
 rubygems-devel     noarch 3.6.9-29.fc43   updates     13.4 KiB
Installing dependencies:
 annobin-docs       noarch 12.99-1.fc43    fedora      98.9 KiB
 annobin-plugin-gcc x86_64 12.99-1.fc43    fedora       1.0 MiB
 cpp                x86_64 15.2.1-7.fc43   updates     38.0 MiB
 gcc-plugin-annobin x86_64 15.2.1-7.fc43   updates     57.2 KiB
 glibc-devel        x86_64 2.42-12.fc43    updates      2.3 MiB
 kernel-headers     x86_64 6.19.6-200.fc43 updates      6.9 MiB
 libmpc             x86_64 1.3.1-8.fc43    fedora     160.6 KiB
 libstdc++-devel    x86_64 15.2.1-7.fc43   updates     37.3 MiB
 libxcrypt-devel    x86_64 4.5.2-1.fc43    updates     31.1 KiB
 libyaml            x86_64 0.2.5-17.fc43   fedora     134.6 KiB
 make               x86_64 1:4.4.1-11.fc43 fedora       1.8 MiB
 ruby               x86_64 3.4.8-29.fc43   updates     85.5 KiB
 ruby-default-gems  noarch 3.4.8-29.fc43   updates     66.1 KiB
 rubygem-io-console x86_64 0.8.1-29.fc43   updates     33.2 KiB
 rubygem-json       x86_64 2.13.2-2.fc43   updates    219.1 KiB
 rubygem-psych      x86_64 5.2.2-29.fc43   updates    132.6 KiB
 rubygem-rdoc       noarch 6.14.0-29.fc43  updates      1.9 MiB
 rubygems           noarch 3.6.9-29.fc43   updates      1.4 MiB
 rubypick           noarch 1.1.1-23.fc43   fedora       4.4 KiB

Transaction Summary:
 Installing:        24 packages

Total size of inbound packages is 83 MiB. Need to download 83 MiB.
After this operation, 262 MiB extra will be used (install 262 MiB, remove 0 B).
[ 1/24] ruby-libs-0:3.4.8-29.fc43.x86_6 100% |  99.6 MiB/s |   4.2 MiB |  00m00s
[ 2/24] ruby-devel-0:3.4.8-29.fc43.x86_ 100% |  31.6 MiB/s | 323.4 KiB |  00m00s
[ 3/24] rubygems-devel-0:3.6.9-29.fc43. 100% |   4.8 MiB/s |  14.8 KiB |  00m00s
[ 4/24] libmpc-0:1.3.1-8.fc43.x86_64    100% |  13.7 MiB/s |  70.4 KiB |  00m00s
[ 5/24] gcc-c++-0:15.2.1-7.fc43.x86_64  100% | 169.7 MiB/s |  15.3 MiB |  00m00s
[ 6/24] make-1:4.4.1-11.fc43.x86_64     100% |  18.4 MiB/s | 585.2 KiB |  00m00s
[ 7/24] ruby-0:3.4.8-29.fc43.x86_64     100% |   6.4 MiB/s |  39.6 KiB |  00m00s
[ 8/24] rubypick-0:1.1.1-23.fc43.noarch 100% |   1.9 MiB/s |   9.8 KiB |  00m00s
[ 9/24] rubygems-0:3.6.9-29.fc43.noarch 100% |  55.3 MiB/s | 396.6 KiB |  00m00s
[10/24] rubygem-json-0:2.13.2-2.fc43.x8 100% |  11.8 MiB/s |  84.5 KiB |  00m00s
[11/24] rubygem-rdoc-0:6.14.0-29.fc43.n 100% |  48.8 MiB/s | 499.4 KiB |  00m00s
[12/24] rubygem-psych-0:5.2.2-29.fc43.x 100% |   9.4 MiB/s |  57.6 KiB |  00m00s
[13/24] cpp-0:15.2.1-7.fc43.x86_64      100% | 187.5 MiB/s |  12.9 MiB |  00m00s
[14/24] libyaml-0:0.2.5-17.fc43.x86_64  100% |   3.3 MiB/s |  60.1 KiB |  00m00s
[15/24] ruby-default-gems-0:3.4.8-29.fc 100% |  13.9 MiB/s |  42.7 KiB |  00m00s
[16/24] rubygem-io-console-0:0.8.1-29.f 100% |   8.0 MiB/s |  24.5 KiB |  00m00s
[17/24] gcc-0:15.2.1-7.fc43.x86_64      100% | 192.9 MiB/s |  39.7 MiB |  00m00s
[18/24] glibc-devel-0:2.42-12.fc43.x86_ 100% |  12.7 MiB/s | 570.3 KiB |  00m00s
[19/24] libxcrypt-devel-0:4.5.2-1.fc43. 100% |   4.9 MiB/s |  30.0 KiB |  00m00s
[20/24] kernel-headers-0:6.19.6-200.fc4 100% | 108.1 MiB/s |   1.7 MiB |  00m00s
[21/24] annobin-plugin-gcc-0:12.99-1.fc 100% |  81.1 MiB/s | 996.0 KiB |  00m00s
[22/24] libstdc++-devel-0:15.2.1-7.fc43 100% |  76.8 MiB/s |   5.3 MiB |  00m00s
[23/24] gcc-plugin-annobin-0:15.2.1-7.f 100% |   5.4 MiB/s |  60.8 KiB |  00m00s
[24/24] annobin-docs-0:12.99-1.fc43.noa 100% |  12.5 MiB/s |  89.5 KiB |  00m00s
--------------------------------------------------------------------------------
[24/24] Total                           100% | 347.4 MiB/s |  83.0 MiB |  00m00s
Running transaction
[ 1/26] Verify package files            100% |  54.0   B/s |  24.0   B |  00m00s
[ 2/26] Prepare transaction             100% | 685.0   B/s |  24.0   B |  00m00s
[ 3/26] Installing ruby-libs-0:3.4.8-29 100% | 256.7 MiB/s |  15.1 MiB |  00m00s
[ 4/26] Installing libmpc-0:1.3.1-8.fc4 100% |  79.1 MiB/s | 162.1 KiB |  00m00s
[ 5/26] Installing ruby-0:3.4.8-29.fc43 100% |   5.3 MiB/s |  87.1 KiB |  00m00s
[ 6/26] Installing rubypick-0:1.1.1-23. 100% | 341.4 KiB/s |   5.1 KiB |  00m00s
[ 7/26] Installing cpp-0:15.2.1-7.fc43. 100% | 261.9 MiB/s |  38.0 MiB |  00m00s
[ 8/26] Installing annobin-docs-0:12.99 100% |  32.6 MiB/s | 100.1 KiB |  00m00s
[ 9/26] Installing kernel-headers-0:6.1 100% | 171.4 MiB/s |   7.0 MiB |  00m00s
[10/26] Installing glibc-devel-0:2.42-1 100% | 147.1 MiB/s |   2.4 MiB |  00m00s
[11/26] Installing libxcrypt-devel-0:4. 100% |  10.9 MiB/s |  33.4 KiB |  00m00s
[12/26] Installing libstdc++-devel-0:15 100% | 403.1 MiB/s |  37.5 MiB |  00m00s
[13/26] Installing libyaml-0:0.2.5-17.f 100% | 132.8 MiB/s | 136.0 KiB |  00m00s
[14/26] Installing rubygem-io-console-0 100% |  34.6 MiB/s |  35.4 KiB |  00m00s
[15/26] Installing ruby-default-gems-0: 100% |   4.4 MiB/s |  76.5 KiB |  00m00s
[16/26] Installing rubygem-psych-0:5.2. 100% |  46.0 MiB/s | 141.3 KiB |  00m00s
[17/26] Installing rubygems-0:3.6.9-29. 100% |  59.8 MiB/s |   1.5 MiB |  00m00s
[18/26] Installing rubygem-json-0:2.13. 100% |  73.7 MiB/s | 226.4 KiB |  00m00s
[19/26] Installing rubygem-rdoc-0:6.14. 100% |  82.5 MiB/s |   1.9 MiB |  00m00s
[20/26] Installing make-1:4.4.1-11.fc43 100% |  85.7 MiB/s |   1.8 MiB |  00m00s
[21/26] Installing gcc-0:15.2.1-7.fc43. 100% | 315.6 MiB/s | 112.1 MiB |  00m00s
[22/26] Installing gcc-c++-0:15.2.1-7.f 100% | 263.5 MiB/s |  41.4 MiB |  00m00s
[23/26] Installing annobin-plugin-gcc-0 100% |  58.1 MiB/s |   1.0 MiB |  00m00s
[24/26] Installing gcc-plugin-annobin-0 100% |   3.4 MiB/s |  58.8 KiB |  00m00s
[25/26] Installing rubygems-devel-0:3.6 100% |  13.9 MiB/s |  14.2 KiB |  00m00s
[26/26] Installing ruby-devel-0:3.4.8-2 100% |  11.1 MiB/s |   1.6 MiB |  00m00s
Complete!
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1778284800
Wrote: /builddir/build/SRPMS/rubygem-sassc-2.4.0-2.fc43.src.rpm
Updating and loading repositories:
 Additional repo https_copr_be_cloud_fe 100% |  69.2 KiB/s |   1.5 KiB |  00m00s
 Copr repository                        100% |  69.2 KiB/s |   1.5 KiB |  00m00s
 fedora                                 100% | 183.3 KiB/s |  29.5 KiB |  00m00s
 updates                                100% | 299.0 KiB/s |  27.5 KiB |  00m00s
Repositories loaded.
Package "gcc-c++-15.2.1-7.fc43.x86_64" is already installed.
Package "gcc-15.2.1-7.fc43.x86_64" is already installed.
Package "ruby-libs-3.4.8-29.fc43.x86_64" is already installed.
Package "ruby-devel-3.4.8-29.fc43.x86_64" is already installed.
Package "rubygems-devel-3.6.9-29.fc43.noarch" is already installed.

Nothing to do.
Finish: build setup for rubygem-sassc-2.4.0-2.fc43.src.rpm
Start: rpmbuild rubygem-sassc-2.4.0-2.fc43.src.rpm
Building target platforms: x86_64
Building for target x86_64
setting SOURCE_DATE_EPOCH=1778284800
Executing(%mkbuilddir): /bin/sh -e /var/tmp/rpm-tmp.0Stp9a
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.J4Zt7m
+ umask 022
+ cd /builddir/build/BUILD/rubygem-sassc-2.4.0-build
+ cd /builddir/build/BUILD/rubygem-sassc-2.4.0-build
+ rm -rf sassc-2.4.0
+ /usr/lib/rpm/rpmuncompress -x /builddir/build/SOURCES/sassc-2.4.0.gem
Unpacked gem: '/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0'
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd sassc-2.4.0
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.SbHeMq
+ umask 022
+ cd /builddir/build/BUILD/rubygem-sassc-2.4.0-build
+ CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  '
+ export CFLAGS
+ CXXFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  '
+ export CXXFLAGS
+ FFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -I/usr/lib64/gfortran/modules  '
+ export FFLAGS
+ FCFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -I/usr/lib64/gfortran/modules  '
+ export FCFLAGS
+ VALAFLAGS=-g
+ export VALAFLAGS
+ RUSTFLAGS='-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Cforce-frame-pointers=yes -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn'
+ export RUSTFLAGS
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes  '
+ export LDFLAGS
+ LT_SYS_LIBRARY_PATH=/usr/lib64:
+ export LT_SYS_LIBRARY_PATH
+ CC=gcc
+ export CC
+ CXX=g++
+ export CXX
+ cd sassc-2.4.0
+ gem build ../sassc-2.4.0.gemspec
WARNING:  expected RubyGems version 3.6.9, was 3.1.2
WARNING:  description and summary are identical
WARNING:  open-ended dependency on minitest-around (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  open-ended dependency on test_construct (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  open-ended dependency on pry (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  open-ended dependency on bundler (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  open-ended dependency on rake (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  open-ended dependency on rake-compiler (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  open-ended dependency on rake-compiler-dock (>= 0, development) is not recommended
  use a bounded requirement, such as "~> x.y"
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: sassc
  Version: 2.4.0
  File: sassc-2.4.0.gem
+ mkdir -p ./usr/share/gems
+ CONFIGURE_ARGS='--with-cflags='\''-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer'\'' --with-cxxflags='\''-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer'\'' --with-ldflags='\''-Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes  '\'' '
+ gem install -V --local --build-root . --force --document=ri,rdoc sassc-2.4.0.gem
WARNING:  You build with buildroot.
  Build root: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0
  Bin dir: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/bin
  Gem home: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems
  Plugins dir: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/plugins
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/.gitignore
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/.gitmodules
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/.travis.yml
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/CHANGELOG.md
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/CODE_OF_CONDUCT.md
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/Gemfile
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/LICENSE.txt
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/README.md
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/Rakefile
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/depend
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/extconf.rb
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/VERSION
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/contrib/plugin.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass/base.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass/context.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass/functions.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass/values.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass/version.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/include/sass2scss.h
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/MurmurHash2.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast2c.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast2c.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_def_macros.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_fwd_decl.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_fwd_decl.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_helpers.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_sel_cmp.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_sel_super.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_sel_unify.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_sel_weave.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_selectors.cpp
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/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/ast_supports.hpp
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/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/backtrace.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/backtrace.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/base64vlq.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/base64vlq.hpp
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/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/c2ast.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/c99func.c
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/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/check_nesting.cpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/check_nesting.hpp
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext/libsass/src/color_maps.cpp
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/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/test/error_test.rb
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/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/test/native_test.rb
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/test/output_style_test.rb
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/test/sass_2_scss_test.rb
/builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/test/test_helper.rb
Building native extensions. This could take a while...
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
["/usr/bin/ruby", "-I/usr/share/rubygems", "extconf.rb"]
creating Makefile
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
["make", "DESTDIR=", "sitearchdir=./.gem.20260509-53-serb1", "sitelibdir=./.gem.20260509-53-serb1", "clean"]
rm -f 
rm -fr libsass.so false ast.o ast2c.o ast_fwd_decl.o ast_sel_cmp.o ast_sel_super.o ast_sel_unify.o ast_sel_weave.o ast_selectors.o ast_supports.o ast_values.o backtrace.o base64vlq.o bind.o c2ast.o c99func.o cencode.o check_nesting.o color_maps.o constants.o context.o cssize.o emitter.o environment.o error_handling.o eval.o eval_selectors.o expand.o extender.o extension.o file.o fn_colors.o fn_lists.o fn_maps.o fn_miscs.o fn_numbers.o fn_selectors.o fn_strings.o fn_utils.o inspect.o json.o lexer.o listize.o allocator.o shared_ptr.o operators.o output.o parser.o parser_selectors.o plugins.o position.o prelexer.o remove_placeholders.o sass.o sass2scss.o sass_context.o sass_functions.o sass_values.o source.o source_map.o stylesheet.o to_value.o units.o utf8_string.o util.o util_string.o values.o *.bak mkmf.log .*.time
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
["make", "DESTDIR=", "sitearchdir=./.gem.20260509-53-serb1", "sitelibdir=./.gem.20260509-53-serb1"]
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast.o -c ./libsass/src/ast.cpp
In file included from ./libsass/src/ast.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast2c.o -c ./libsass/src/ast2c.cpp
In file included from ./libsass/src/ast2c.cpp:6:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/operation.hpp:15,
                 from ./libsass/src/ast2c.hpp:5,
                 from ./libsass/src/ast2c.cpp:5:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_fwd_decl.o -c ./libsass/src/ast_fwd_decl.cpp
In file included from ./libsass/src/ast_fwd_decl.cpp:1:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_sel_cmp.o -c ./libsass/src/ast_sel_cmp.cpp
In file included from ./libsass/src/ast_selectors.hpp:7,
                 from ./libsass/src/ast_sel_cmp.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_sel_super.o -c ./libsass/src/ast_sel_super.cpp
In file included from ./libsass/src/ast_sel_super.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_sel_unify.o -c ./libsass/src/ast_sel_unify.cpp
In file included from ./libsass/src/ast_sel_unify.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_sel_weave.o -c ./libsass/src/ast_sel_weave.cpp
In file included from ./libsass/src/ast_sel_weave.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_selectors.o -c ./libsass/src/ast_selectors.cpp
In file included from ./libsass/src/ast_selectors.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_supports.o -c ./libsass/src/ast_supports.cpp
In file included from ./libsass/src/ast_supports.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o ast_values.o -c ./libsass/src/ast_values.cpp
In file included from ./libsass/src/ast_values.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_values.cpp: In member function ‘virtual size_t Sass::Number::hash() const’:
./libsass/src/ast_values.cpp:484:23: warning: loop variable ‘numerator’ creates a copy from type ‘const std::__cxx11::basic_string<char>’ [-Wrange-loop-construct]
  484 |       for (const auto numerator : numerators)
      |                       ^~~~~~~~~
./libsass/src/ast_values.cpp:484:23: note: use reference type to prevent copying
  484 |       for (const auto numerator : numerators)
      |                       ^~~~~~~~~
      |                       &
./libsass/src/ast_values.cpp:486:23: warning: loop variable ‘denominator’ creates a copy from type ‘const std::__cxx11::basic_string<char>’ [-Wrange-loop-construct]
  486 |       for (const auto denominator : denominators)
      |                       ^~~~~~~~~~~
./libsass/src/ast_values.cpp:486:23: note: use reference type to prevent copying
  486 |       for (const auto denominator : denominators)
      |                       ^~~~~~~~~~~
      |                       &
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o backtrace.o -c ./libsass/src/backtrace.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o base64vlq.o -c ./libsass/src/base64vlq.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o bind.o -c ./libsass/src/bind.cpp
In file included from ./libsass/src/bind.cpp:3:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/environment.hpp:11,
                 from ./libsass/src/bind.hpp:6,
                 from ./libsass/src/bind.cpp:2:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from ./libsass/src/expand.hpp:7,
                 from ./libsass/src/bind.cpp:6:
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o c2ast.o -c ./libsass/src/c2ast.cpp
In file included from ./libsass/src/c2ast.cpp:1:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -DLIBSASS_VERSION='"3.6.4"' -m64 -o c99func.o -c ./libsass/src/c99func.c
gcc -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -DLIBSASS_VERSION='"3.6.4"' -m64 -o cencode.o -c ./libsass/src/cencode.c
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o check_nesting.o -c ./libsass/src/check_nesting.cpp
In file included from ./libsass/src/check_nesting.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o color_maps.o -c ./libsass/src/color_maps.cpp
In file included from ./libsass/src/color_maps.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o constants.o -c ./libsass/src/constants.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o context.o -c ./libsass/src/context.cpp
In file included from ./libsass/src/context.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from ./libsass/src/expand.hpp:7,
                 from ./libsass/src/context.cpp:17:
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o cssize.o -c ./libsass/src/cssize.cpp
In file included from ./libsass/src/cssize.hpp:4,
                 from ./libsass/src/cssize.cpp:9:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o emitter.o -c ./libsass/src/emitter.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o environment.o -c ./libsass/src/environment.cpp
In file included from ./libsass/src/environment.cpp:2:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o error_handling.o -c ./libsass/src/error_handling.cpp
In file included from ./libsass/src/error_handling.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o eval.o -c ./libsass/src/eval.cpp
In file included from ./libsass/src/eval.hpp:7,
                 from ./libsass/src/eval.cpp:13:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o eval_selectors.o -c ./libsass/src/eval_selectors.cpp
In file included from ./libsass/src/expand.hpp:6,
                 from ./libsass/src/eval_selectors.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from ./libsass/src/expand.hpp:7:
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o expand.o -c ./libsass/src/expand.cpp
In file included from ./libsass/src/expand.cpp:8:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from ./libsass/src/expand.hpp:7,
                 from ./libsass/src/expand.cpp:9:
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o extender.o -c ./libsass/src/extender.cpp
In file included from ./libsass/src/extender.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o extension.o -c ./libsass/src/extension.cpp
In file included from ./libsass/src/extension.cpp:7:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o file.o -c ./libsass/src/file.cpp
In file included from ./libsass/src/context.hpp:7,
                 from ./libsass/src/file.cpp:21:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_colors.o -c ./libsass/src/fn_colors.cpp
In file included from ./libsass/src/fn_colors.cpp:6:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_lists.o -c ./libsass/src/fn_lists.cpp
In file included from ./libsass/src/values.hpp:4,
                 from ./libsass/src/operators.hpp:4,
                 from ./libsass/src/fn_lists.cpp:6:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/operation.hpp:15,
                 from ./libsass/src/listize.hpp:9,
                 from ./libsass/src/fn_lists.cpp:5:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_maps.o -c ./libsass/src/fn_maps.cpp
In file included from ./libsass/src/values.hpp:4,
                 from ./libsass/src/operators.hpp:4,
                 from ./libsass/src/fn_maps.cpp:1:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_miscs.o -c ./libsass/src/fn_miscs.cpp
In file included from ./libsass/src/fn_miscs.cpp:1:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
In file included from ./libsass/src/expand.hpp:7,
                 from ./libsass/src/fn_miscs.cpp:2:
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_numbers.o -c ./libsass/src/fn_numbers.cpp
In file included from ./libsass/src/fn_numbers.cpp:13:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_selectors.o -c ./libsass/src/fn_selectors.cpp
In file included from ./libsass/src/parser.hpp:11,
                 from ./libsass/src/fn_selectors.cpp:3:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_strings.o -c ./libsass/src/fn_strings.cpp
In file included from ./libsass/src/fn_strings.cpp:6:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o fn_utils.o -c ./libsass/src/fn_utils.cpp
In file included from ./libsass/src/parser.hpp:11,
                 from ./libsass/src/fn_utils.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o inspect.o -c ./libsass/src/inspect.cpp
In file included from ./libsass/src/inspect.cpp:12:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o json.o -c ./libsass/src/json.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o lexer.o -c ./libsass/src/lexer.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o listize.o -c ./libsass/src/listize.cpp
In file included from ./libsass/src/context.hpp:7,
                 from ./libsass/src/listize.cpp:10:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/operation.hpp:15,
                 from ./libsass/src/listize.hpp:9,
                 from ./libsass/src/listize.cpp:9:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o allocator.o -c ./libsass/src/memory/allocator.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o shared_ptr.o -c ./libsass/src/memory/shared_ptr.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o operators.o -c ./libsass/src/operators.cpp
In file included from ./libsass/src/values.hpp:4,
                 from ./libsass/src/operators.hpp:4,
                 from ./libsass/src/operators.cpp:6:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o output.o -c ./libsass/src/output.cpp
In file included from ./libsass/src/output.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o parser.o -c ./libsass/src/parser.cpp
In file included from ./libsass/src/parser.hpp:11,
                 from ./libsass/src/parser.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o parser_selectors.o -c ./libsass/src/parser_selectors.cpp
In file included from ./libsass/src/parser.hpp:11,
                 from ./libsass/src/parser_selectors.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o plugins.o -c ./libsass/src/plugins.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o position.o -c ./libsass/src/position.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o prelexer.o -c ./libsass/src/prelexer.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o remove_placeholders.o -c ./libsass/src/remove_placeholders.cpp
In file included from ./libsass/src/remove_placeholders.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o sass.o -c ./libsass/src/sass.cpp
In file included from ./libsass/src/context.hpp:7,
                 from ./libsass/src/sass.cpp:13:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o sass2scss.o -c ./libsass/src/sass2scss.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o sass_context.o -c ./libsass/src/sass_context.cpp
In file included from ./libsass/src/sass_context.cpp:4:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o sass_functions.o -c ./libsass/src/sass_functions.cpp
In file included from ./libsass/src/context.hpp:7,
                 from ./libsass/src/sass_functions.cpp:7:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o sass_values.o -c ./libsass/src/sass_values.cpp
In file included from ./libsass/src/eval.hpp:7,
                 from ./libsass/src/sass_values.cpp:8:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:18:
./libsass/src/operation.hpp:150:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import_Stub*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  150 |     T operator()(Import_Stub* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:162:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Definition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  162 |     T operator()(Definition* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:138:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Bubble*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  138 |     T operator()(Bubble* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:140:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  140 |     T operator()(SupportsRule* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:143:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaQuery*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  143 |     T operator()(CssMediaQuery* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:183:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SupportsCondition*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  183 |     T operator()(SupportsCondition* x)     { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:147:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Declaration*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  147 |     T operator()(Declaration* x)            { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:144:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRootRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  144 |     T operator()(AtRootRule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:163:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Mixin_Call*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  163 |     T operator()(Mixin_Call* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:168:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Function*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  168 |     T operator()(Function* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:172:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Warning*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  172 |     T operator()(Custom_Warning* x)         { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:176:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Color*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  176 |     T operator()(Color* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:142:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::CssMediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  142 |     T operator()(CssMediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:193:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameter*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  193 |     T operator()(Parameter* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:146:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Keyframe_Rule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  146 |     T operator()(Keyframe_Rule* x)          { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:160:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Content*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  160 |     T operator()(Content* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:134:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AST_Node*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  134 |     T operator()(AST_Node* x)               { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:137:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::StyleRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  137 |     T operator()(StyleRule* x)                { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:139:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Trace*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  139 |     T operator()(Trace* x)                  { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:173:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Custom_Error*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  173 |     T operator()(Custom_Error* x)           { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:206:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::SelectorCombinator*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  206 |     T operator()(SelectorCombinator* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:141:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::MediaRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  141 |     T operator()(MediaRule* x) { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:194:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Parameters*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  194 |     T operator()(Parameters* x)             { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:145:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::AtRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  145 |     T operator()(AtRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:149:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::Import*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  149 |     T operator()(Import* x)                 { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
./libsass/src/operation.hpp:161:7: warning: ‘T Sass::Operation_CRTP<T, D>::operator()(Sass::ExtendRule*) [with T = Sass::Expression*; D = Sass::Eval]’ was hidden [-Woverloaded-virtual=]
  161 |     T operator()(ExtendRule* x)              { return static_cast<D*>(this)->fallback(x); }
      |       ^~~~~~~~
./libsass/src/eval.hpp:43:17: note:   by ‘virtual Sass::Expression* Sass::Eval::operator()(Sass::Block*)’
   43 |     Expression* operator()(Block*);
      |                 ^~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o source.o -c ./libsass/src/source.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o source_map.o -c ./libsass/src/source_map.cpp
In file included from ./libsass/src/source_map.cpp:10:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o stylesheet.o -c ./libsass/src/stylesheet.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o to_value.o -c ./libsass/src/to_value.cpp
In file included from ./libsass/src/to_value.cpp:5:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o units.o -c ./libsass/src/units.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o utf8_string.o -c ./libsass/src/utf8_string.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o util.o -c ./libsass/src/util.cpp
In file included from ./libsass/src/util.cpp:3:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o util_string.o -c ./libsass/src/util_string.cpp
g++ -I. -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I. -I./libsass/include   -fPIC -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -std=c++11 -DLIBSASS_VERSION='"3.6.4"' -m64 -o values.o -c ./libsass/src/values.cpp
In file included from ./libsass/src/values.hpp:4,
                 from ./libsass/src/values.cpp:6:
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: note:   by ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:167:17: note:   by ‘bool Sass::Expression::operator!=(const Sass::Expression&) const’
  167 |     inline bool operator!=(const Expression& rhs) const { return !(rhs == *this); }
      |                 ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:908:10: note:   by ‘bool Sass::CssMediaRule::operator==(const Sass::CssMediaRule&) const’
  908 |     bool operator== (const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:911:10: note:   by ‘bool Sass::CssMediaRule::operator!=(const Sass::CssMediaRule&) const’
  911 |     bool operator!=(const CssMediaRule& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:90:18: warning: ‘virtual bool Sass::AST_Node::operator==(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   90 |     virtual bool operator== (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:939:10: note:   by ‘bool Sass::CssMediaQuery::operator==(const Sass::CssMediaQuery&) const’
  939 |     bool operator== (const CssMediaQuery& rhs) const;
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:940:10: note:   by ‘bool Sass::CssMediaQuery::operator!=(const Sass::CssMediaQuery&) const’
  940 |     bool operator!=(const CssMediaQuery& rhs) const {
      |          ^~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:1053:
./libsass/src/ast_values.hpp:38:18: note:   by ‘virtual bool Sass::Value::operator!=(const Sass::Expression&) const’
   38 |     virtual bool operator!= (const Expression& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast.hpp:165:18: warning: ‘virtual bool Sass::Expression::operator==(const Sass::Expression&) const’ was hidden [-Woverloaded-virtual=]
  165 |     virtual bool operator== (const Expression& rhs) const { return false; }
      |                  ^~~~~~~~
In file included from ./libsass/src/ast.hpp:14:
./libsass/src/ast_def_macros.hpp:105:16: note:   by ‘virtual bool Sass::Selector::operator==(const Sass::Selector&) const’
  105 |   virtual bool operator==(const klass& rhs) const = 0; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast.hpp:96:18: warning: ‘virtual bool Sass::AST_Node::operator!=(const Sass::AST_Node&) const’ was hidden [-Woverloaded-virtual=]
   96 |     virtual bool operator!= (const AST_Node& rhs) const {
      |                  ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./libsass/src/ast.hpp:1055:
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:156:10: note:   by ‘virtual bool Sass::PlaceholderSelector::operator==(const Sass::SimpleSelector&) const’
  156 |     bool operator==(const SimpleSelector& rhs) const override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PlaceholderSelector::operator!=(const Sass::PlaceholderSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:157:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  157 |     ATTACH_CMP_OPERATIONS(PlaceholderSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:173:10: note:   by ‘virtual bool Sass::TypeSelector::operator==(const Sass::SimpleSelector&) const’
  173 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::TypeSelector::operator!=(const Sass::TypeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:174:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  174 |     ATTACH_CMP_OPERATIONS(TypeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:187:10: note:   by ‘virtual bool Sass::ClassSelector::operator==(const Sass::SimpleSelector&) const’
  187 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ClassSelector::operator!=(const Sass::ClassSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:188:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  188 |     ATTACH_CMP_OPERATIONS(ClassSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:203:10: note:   by ‘virtual bool Sass::IDSelector::operator==(const Sass::SimpleSelector&) const’
  203 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::IDSelector::operator!=(const Sass::IDSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:204:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  204 |     ATTACH_CMP_OPERATIONS(IDSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:222:10: note:   by ‘virtual bool Sass::AttributeSelector::operator==(const Sass::SimpleSelector&) const’
  222 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::AttributeSelector::operator!=(const Sass::AttributeSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:223:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  223 |     ATTACH_CMP_OPERATIONS(AttributeSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_selectors.hpp:137:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::CompoundSelector&) const’ was hidden [-Woverloaded-virtual=]
  137 |     virtual bool operator==(const CompoundSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:135:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::SelectorList&) const’ was hidden [-Woverloaded-virtual=]
  135 |     virtual bool operator==(const SelectorList& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:136:18: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::ComplexSelector&) const’ was hidden [-Woverloaded-virtual=]
  136 |     virtual bool operator==(const ComplexSelector& rhs) const;
      |                  ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:133:10: warning: ‘virtual bool Sass::SimpleSelector::operator==(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  133 |     bool operator==(const Selector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_selectors.hpp:261:10: note:   by ‘virtual bool Sass::PseudoSelector::operator==(const Sass::SimpleSelector&) const’
  261 |     bool operator==(const SimpleSelector& rhs) const final override;
      |          ^~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SimpleSelector::operator!=(const Sass::SimpleSelector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:139:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  139 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SimpleSelector);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::PseudoSelector::operator!=(const Sass::PseudoSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:262:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  262 |     ATTACH_CMP_OPERATIONS(PseudoSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::ComplexSelector::operator!=(const Sass::ComplexSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:309:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  309 |     ATTACH_CMP_OPERATIONS(ComplexSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: note:   by ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorCombinator::operator!=(const Sass::SelectorCombinator&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:406:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  406 |     ATTACH_CMP_OPERATIONS(SelectorCombinator)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::SelectorComponent::operator!=(const Sass::SelectorComponent&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:348:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
  348 |     ATTACH_VIRTUAL_CMP_OPERATIONS(SelectorComponent);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::CompoundSelector::operator!=(const Sass::CompoundSelector&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:458:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  458 |     ATTACH_CMP_OPERATIONS(CompoundSelector)
      |     ^~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:106:16: warning: ‘virtual bool Sass::Selector::operator!=(const Sass::Selector&) const’ was hidden [-Woverloaded-virtual=]
  106 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:56:5: note: in expansion of macro ‘ATTACH_VIRTUAL_CMP_OPERATIONS’
   56 |     ATTACH_VIRTUAL_CMP_OPERATIONS(Selector)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./libsass/src/ast_def_macros.hpp:110:16: note:   by ‘virtual bool Sass::SelectorList::operator!=(const Sass::SelectorList&) const’
  110 |   virtual bool operator!=(const klass& rhs) const { return !(*this == rhs); }; \
      |                ^~~~~~~~
./libsass/src/ast_selectors.hpp:500:5: note: in expansion of macro ‘ATTACH_CMP_OPERATIONS’
  500 |     ATTACH_CMP_OPERATIONS(SelectorList)
      |     ^~~~~~~~~~~~~~~~~~~~~
rm -f libsass.so
g++ -shared -o libsass.so ast.o ast2c.o ast_fwd_decl.o ast_sel_cmp.o ast_sel_super.o ast_sel_unify.o ast_sel_weave.o ast_selectors.o ast_supports.o ast_values.o backtrace.o base64vlq.o bind.o c2ast.o c99func.o cencode.o check_nesting.o color_maps.o constants.o context.o cssize.o emitter.o environment.o error_handling.o eval.o eval_selectors.o expand.o extender.o extension.o file.o fn_colors.o fn_lists.o fn_maps.o fn_miscs.o fn_numbers.o fn_selectors.o fn_strings.o fn_utils.o inspect.o json.o lexer.o listize.o allocator.o shared_ptr.o operators.o output.o parser.o parser_selectors.o plugins.o position.o prelexer.o remove_placeholders.o sass.o sass2scss.o sass_context.o sass_functions.o sass_values.o source.o source_map.o stylesheet.o to_value.o units.o utf8_string.o util.o util_string.o values.o -L. -L/usr/lib64 -Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes   -Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1     -m64  -lm -lpthread  -lc
In function ‘lcs’,
    inlined from ‘weaveParents’ at ./libsass/src/ast_sel_weave.cpp:563:74:
./libsass/src/dart_helpers.hpp:122:14: warning: argument 1 value ‘18446744073709551615’ exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
  122 |     T* res = new T[mm * nn + 1];
      |              ^
/usr/include/c++/15/new: In function ‘weaveParents’:
/usr/include/c++/15/new:140:26: note: in a call to allocation function ‘operator new []’ declared here
  140 | _GLIBCXX_NODISCARD void* operator new[](std::size_t)
      |                          ^
:
strip -x libsass.so
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
["make", "DESTDIR=", "sitearchdir=./.gem.20260509-53-serb1", "sitelibdir=./.gem.20260509-53-serb1", "install"]
/usr/bin/mkdir -p . ./.gem.20260509-53-serb1/sassc
exit > .sitearchdir.-.sassc.time
/usr/bin/install -c -m 0755 libsass.so ./.gem.20260509-53-serb1/sassc
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
["make", "DESTDIR=", "sitearchdir=./.gem.20260509-53-serb1", "sitelibdir=./.gem.20260509-53-serb1", "clean"]
rm -f 
rm -fr libsass.so false ast.o ast2c.o ast_fwd_decl.o ast_sel_cmp.o ast_sel_super.o ast_sel_unify.o ast_sel_weave.o ast_selectors.o ast_supports.o ast_values.o backtrace.o base64vlq.o bind.o c2ast.o c99func.o cencode.o check_nesting.o color_maps.o constants.o context.o cssize.o emitter.o environment.o error_handling.o eval.o eval_selectors.o expand.o extender.o extension.o file.o fn_colors.o fn_lists.o fn_maps.o fn_miscs.o fn_numbers.o fn_selectors.o fn_strings.o fn_utils.o inspect.o json.o lexer.o listize.o allocator.o shared_ptr.o operators.o output.o parser.o parser_selectors.o plugins.o position.o prelexer.o remove_placeholders.o sass.o sass2scss.o sass_context.o sass_functions.o sass_values.o source.o source_map.o stylesheet.o to_value.o units.o utf8_string.o util.o util_string.o values.o *.bak mkmf.log .*.time
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
/usr/bin/ruby -I/usr/share/rubygems extconf.rb
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20260509-53-serb1 sitelibdir\=./.gem.20260509-53-serb1 clean
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20260509-53-serb1 sitelibdir\=./.gem.20260509-53-serb1
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20260509-53-serb1 sitelibdir\=./.gem.20260509-53-serb1 install
current directory: /builddir/build/BUILD/rubygem-sassc-2.4.0-build/sassc-2.4.0/usr/share/gems/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20260509-53-serb1 sitelibdir\=./.gem.20260509-53-serb1 clean
Successfully installed sassc-2.4.0
Parsing documentation for sassc-2.4.0
Parsing sources...
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Installing ri documentation for sassc-2.4.0
Installing darkfish documentation for sassc-2.4.0
Done installing documentation for sassc after 1 seconds
1 gem installed
+ RPM_EC=0
++ jobs -p
+ exit 0
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.VeDsJw
+ umask 022
+ cd /builddir/build/BUILD/rubygem-sassc-2.4.0-build
+ '[' /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT '!=' / ']'
+ rm -rf /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT
++ dirname /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT
+ mkdir -p /builddir/build/BUILD/rubygem-sassc-2.4.0-build
+ mkdir /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT
+ CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  '
+ export CFLAGS
+ CXXFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer  '
+ export CXXFLAGS
+ FFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -I/usr/lib64/gfortran/modules  '
+ export FFLAGS
+ FCFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -I/usr/lib64/gfortran/modules  '
+ export FCFLAGS
+ VALAFLAGS=-g
+ export VALAFLAGS
+ RUSTFLAGS='-Copt-level=3 -Cdebuginfo=2 -Ccodegen-units=1 -Cstrip=none -Cforce-frame-pointers=yes -Clink-arg=-specs=/usr/lib/rpm/redhat/redhat-package-notes --cap-lints=warn'
+ export RUSTFLAGS
+ LDFLAGS='-Wl,-z,relro -Wl,--as-needed  -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -Wl,--build-id=sha1 -specs=/usr/lib/rpm/redhat/redhat-package-notes  '
+ export LDFLAGS
+ LT_SYS_LIBRARY_PATH=/usr/lib64:
+ export LT_SYS_LIBRARY_PATH
+ CC=gcc
+ export CC
+ CXX=g++
+ export CXX
+ cd sassc-2.4.0
+ mkdir -p /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT/usr/share/gems
+ cp -a ./usr/share/gems/build_info ./usr/share/gems/cache ./usr/share/gems/doc ./usr/share/gems/extensions ./usr/share/gems/gems ./usr/share/gems/plugins ./usr/share/gems/specifications /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT/usr/share/gems/
+ mkdir -p /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT/usr/lib64/gems/ruby/sassc-2.4.0
+ cp -a ./usr/lib64/gems/ruby/sassc-2.4.0/gem.build_complete './usr/lib64/gems/ruby/sassc-2.4.0/*.so' /builddir/build/BUILD/rubygem-sassc-2.4.0-build/BUILDROOT/usr/lib64/gems/ruby/sassc-2.4.0/
cp: cannot stat './usr/lib64/gems/ruby/sassc-2.4.0/*.so': No such file or directory
error: Bad exit status from /var/tmp/rpm-tmp.VeDsJw (%install)

RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.VeDsJw (%install)
Finish: rpmbuild rubygem-sassc-2.4.0-2.fc43.src.rpm
Finish: build phase for rubygem-sassc-2.4.0-2.fc43.src.rpm
INFO: chroot_scan: 1 files copied to /var/lib/copr-rpmbuild/results/chroot_scan
INFO: /var/lib/mock/fedora-43-x86_64-1778363645.128122/root/var/log/dnf5.log
INFO: chroot_scan: creating tarball /var/lib/copr-rpmbuild/results/chroot_scan.tar.gz
/bin/tar: Removing leading `/' from member names
ERROR: Exception(/var/lib/copr-rpmbuild/results/rubygem-sassc-2.4.0-2.fc43.src.rpm) Config(fedora-43-x86_64) 2 minutes 50 seconds
INFO: Results and/or logs in: /var/lib/copr-rpmbuild/results
INFO: Cleaning up build root ('cleanup_on_failure=True')
Start: clean chroot
INFO: unmounting tmpfs.
Finish: clean chroot
ERROR: Command failed: 
 # /usr/bin/systemd-nspawn -q -M 8441dd4b1c404e739571a8435ce9c66e -D /var/lib/mock/fedora-43-x86_64-1778363645.128122/root -a -u mockbuild --capability=cap_ipc_lock --capability=cap_ipc_lock --bind=/tmp/mock-resolv.yl7dlb96:/etc/resolv.conf --bind=/dev/btrfs-control --bind=/dev/mapper/control --bind=/dev/fuse --bind=/dev/loop-control --bind=/dev/loop0 --bind=/dev/loop1 --bind=/dev/loop2 --bind=/dev/loop3 --bind=/dev/loop4 --bind=/dev/loop5 --bind=/dev/loop6 --bind=/dev/loop7 --bind=/dev/loop8 --bind=/dev/loop9 --bind=/dev/loop10 --bind=/dev/loop11 --console=pipe --setenv=TERM=vt100 --setenv=SHELL=/bin/bash --setenv=HOME=/builddir --setenv=HOSTNAME=mock --setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin '--setenv=PROMPT_COMMAND=printf "\033]0;<mock-chroot>\007"' '--setenv=PS1=<mock-chroot> \s-\v\$ ' --setenv=LANG=C.UTF-8 --resolv-conf=off bash --login -c '/usr/bin/rpmbuild -bb  --target x86_64 --nodeps /builddir/build/originals/rubygem-sassc.spec'

Copr build error: Build failed