$80aea387 this-base-identifier.js:16:1
  Registers: 10
  Blocks:    3
  Constants:
    [0] = Undefined

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] GetGlobal dst:reg6, `get_from_this`
  [  20] Call dst:reg5, callee:reg6, this_value:Undefined, get_from_this
  [  40] GetGlobal dst:reg7, `set_on_this`
  [  58] Call dst:reg6, callee:reg7, this_value:Undefined, set_on_this
  [  78] Jump target:block2

block1:
  [  80] Catch dst:reg5
  [  88] SetLexicalEnvironment environment:reg4
  [  90] Mov2 dst1:reg7, src1:Undefined, dst2:reg8, src2:reg7
  [  a8] End value:reg7

block2:
  [  b0] Mov dst:reg5, src:Undefined
  [  c0] GetGlobal dst:reg9, `chained_this_access`
  [  d8] Call dst:reg7, callee:reg9, this_value:Undefined, chained_this_access
  [  f8] Mov2 dst1:reg5, src1:reg7, dst2:reg7, src2:reg5
  [ 110] End value:reg7

Exception handlers:
  [  b0 ..  118] => handler block1


get_from_this$7b4d6173 this-base-identifier.js:5:5
  Registers: 6
  Blocks:    1

block0:
  [   0] GetById dst:reg5, base:this, `foo` (this.foo)
  [  20] Return value:reg5


set_on_this$1818839f this-base-identifier.js:9:14
  Registers: 5
  Blocks:    1
  Constants:
    [0] = Int32(1)
    [1] = Undefined

block0:
  [   0] PutById base:this, `bar`, src:Int32(1), kind:Normal (this.bar)
  [  28] End value:Undefined


chained_this_access$4d4a3dab this-base-identifier.js:13:5
  Registers: 7
  Blocks:    1

block0:
  [   0] GetById dst:reg5, base:this, `a` (this.a)
  [  20] GetById dst:reg6, base:reg5, `b` (this.a.b)
  [  40] Return value:reg6