$79e506f5 postfix-increment-private-member.js:1:1
  Registers: 8
  Blocks:    1
  Constants:
    [0] = String("nextId")
    [1] = Undefined

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:0, is_catch_environment:false
  [  20] CreateVariable `C`, is_immutable:true, is_global:false, is_strict:true
  [  30] CreatePrivateEnvironment
  [  38] AddPrivateName `#c`
  [  40] SetLexicalEnvironment environment:reg4
  [  48] NewClass dst:reg6, class_environment:reg5, class_blueprint_index:0, element_keys:[element_keys:String("nextId")]
  [  70] LeavePrivateEnvironment
  [  78] DynamicInitializeLexicalBinding `C`, src:reg6
  [  88] GetGlobal dst:reg7, `C`
  [  98] CallConstruct dst:reg5, callee:reg7, C
  [  b0] GetById dst:reg7, base:reg5, `nextId`
  [  c8] Call dst:reg6, callee:reg7, this_value:reg5, <object>.nextId
  [  e8] End value:reg6


C$e7b179de
  Registers: 5
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] End value:Undefined


nextId$ab917a32 postfix-increment-private-member.js:4:9
  Registers: 7
  Blocks:    1
  Constants:
    [0] = String("id-")

block0:
  [   0] GetPrivateById dst:reg5, base:this, `#c`
  [  10] PostfixIncrement dst:reg6, src:reg5
  [  20] PutPrivateById base:this, `#c`, src:reg5
  [  30] Add dst:reg5, lhs:String("id-"), rhs:reg6
  [  40] Return value:reg5
