$a036f1fa var-binding-access.js:22:1
  Registers: 8
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] GetGlobal dst:reg6, `var_access`
  [  18] Call dst:reg5, callee:reg6, this_value:Undefined, var_access
  [  38] GetGlobal dst:reg7, `let_access`
  [  50] Call dst:reg6, callee:reg7, this_value:Undefined, let_access
  [  70] End value:reg6


var_access$52e19afb var-binding-access.js:5:5
  Registers: 6
  Blocks:    1
  Constants:
    [0] = Undefined
    [1] = Int32(1)

block0:
  [   0] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
  [  10] InitializeVariableBinding `x`, src:Undefined
  [  28] SetLexicalBinding `x`, src:Int32(1)
  [  40] NewFunction dst:reg5, shared_function_data_index:0
  [  58] GetInitializedBinding dst:reg5, `x`
  [  70] Return value:reg5


let_access$c5263a88 var-binding-access.js:14:5
  Registers: 7
  Blocks:    1
  Constants:
    [0] = Int32(1)

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1
  [  18] CreateVariable `x`, is_immutable:false, is_global:false, is_strict:false
  [  28] InitializeLexicalBinding `x`, src:Int32(1)
  [  40] NewFunction dst:reg6, shared_function_data_index:0
  [  58] GetBinding dst:reg6, `x`
  [  70] Return value:reg6