$b319ee85 lexical-env-teardown.js:13:1
  Registers: 11
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] GetGlobal dst:reg6, `console`
  [  20] GetById dst:reg7, base:reg6, `log` (console.log)
  [  40] GetGlobal dst:reg9, `withTeardown`
  [  58] Call dst:reg8, callee:reg9, this_value:Undefined, withTeardown
  [  78] Call dst:reg5, callee:reg7, this_value:reg6, console.log, arguments:[reg8]
  [  a0] GetGlobal dst:reg6, `console`
  [  b8] GetById dst:reg8, base:reg6, `log` (console.log)
  [  d8] GetGlobal dst:reg10, `blockTeardown`
  [  f0] Call dst:reg9, callee:reg10, this_value:Undefined, blockTeardown
  [ 110] Call dst:reg7, callee:reg8, this_value:reg6, console.log, arguments:[reg9]
  [ 138] GetGlobal dst:reg8, `console`
  [ 150] GetById dst:reg6, base:reg8, `log` (console.log)
  [ 170] GetGlobal dst:reg10, `forInTeardown`
  [ 188] Call dst:reg9, callee:reg10, this_value:Undefined, forInTeardown
  [ 1a8] Call dst:reg5, callee:reg6, this_value:reg8, console.log, arguments:[reg9]
  [ 1d0] GetGlobal dst:reg6, `console`
  [ 1e8] GetById dst:reg8, base:reg6, `log` (console.log)
  [ 208] GetGlobal dst:reg10, `forOfTeardown`
  [ 220] Call dst:reg9, callee:reg10, this_value:Undefined, forOfTeardown
  [ 240] Call dst:reg7, callee:reg8, this_value:reg6, console.log, arguments:[reg9]
  [ 268] GetGlobal dst:reg8, `console`
  [ 280] GetById dst:reg6, base:reg8, `log` (console.log)
  [ 2a0] GetGlobal dst:reg10, `catchTeardown`
  [ 2b8] Call dst:reg9, callee:reg10, this_value:Undefined, catchTeardown
  [ 2d8] Call dst:reg5, callee:reg6, this_value:reg8, console.log, arguments:[reg9]
  [ 300] CreateLexicalEnvironment dst:reg7, parent:reg4, capacity:0
  [ 310] CreateVariable `myName`, is_immutable:true, is_global:false, is_strict:false
  [ 320] NewFunction dst:reg6, shared_function_data_index:0
  [ 338] InitializeLexicalBinding `myName`, src:reg6
  [ 350] SetLexicalEnvironment environment:reg4
  [ 358] SetGlobal `namedFn`, src:reg6
  [ 370] GetGlobal dst:reg7, `console`
  [ 388] GetById dst:reg8, base:reg7, `log` (console.log)
  [ 3a8] GetGlobal dst:reg10, `namedFn`
  [ 3c0] Call dst:reg9, callee:reg10, this_value:Undefined, namedFn
  [ 3e0] Call dst:reg6, callee:reg8, this_value:reg7, console.log, arguments:[reg9]
  [ 408] End value:reg6


withTeardown$f8b3e64d lexical-env-teardown.js:7:5
  Registers: 10
  Blocks:    1
  Locals:    inner~0
  Constants:
    [0] = Int32(1)
    [1] = Int32(10)
    [2] = Undefined

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] CreateLexicalEnvironment dst:reg5, parent:reg4, capacity:1
  [  18] CreateVariable `outer`, is_immutable:false, is_global:false, is_strict:false
  [  28] InitializeLexicalBinding `outer`, src:Int32(1)
  [  40] NewObject dst:reg6
  [  50] InitObjectLiteralProperty object:reg6, `x`, src:Int32(10), shape_cache_index:0, property_slot:0
  [  68] CacheObjectShape object:reg6
  [  78] EnterObjectEnvironment dst:reg7, object:reg6
  [  88] GetBinding dst:reg8, `x`
  [  a0] GetBinding dst:reg9, `outer`
  [  b8] Add dst:inner~0, lhs:reg8, rhs:reg9
  [  c8] SetLexicalEnvironment environment:reg5
  [  d0] GetBinding dst:reg6, `outer`
  [  e8] Return value:reg6


blockTeardown$b6f5c4f0 lexical-env-teardown.js:17:5
  Registers: 5
  Blocks:    1
  Locals:    inner~0, outer~1
  Constants:
    [0] = Int32(2)
    [1] = Int32(3)

block0:
  [   0] Mov2 dst1:outer~1, src1:Int32(2), dst2:inner~0, src2:Int32(3)
  [  18] Return value:outer~1


forInTeardown$00ab80a8 lexical-env-teardown.js:28:5
  Registers: 8
  Blocks:    6
  Locals:    k~0, outer~1
  Constants:
    [0] = Int32(4)
    [1] = Int32(1)
    [2] = Int32(2)

block0:
  [   0] Mov dst:outer~1, src:Int32(4)
  [  10] NewObject dst:reg5
  [  20] InitObjectLiteralProperty object:reg5, `a`, src:Int32(1), shape_cache_index:0, property_slot:0
  [  38] InitObjectLiteralProperty object:reg5, `b`, src:Int32(2), shape_cache_index:0, property_slot:1
  [  50] CacheObjectShape object:reg5
  [  60] JumpNullish condition:reg5, true_target:block3, false_target:block4

block1:
  [  70] Return value:outer~1

block2:
  [  78] ObjectPropertyIteratorNext dst_value:reg5, dst_done:reg7, iterator_object:reg6
  [  88] JumpIf condition:reg7, true_target:block1, false_target:block5

block3:
  [  98] Return value:outer~1

block4:
  [  a0] GetObjectPropertyIterator dst_iterator:reg6, object:reg5
  [  b8] Jump target:block2

block5:
  [  c0] Mov dst:k~0, src:reg5
  [  d0] ThrowIfTDZ src:k~0
  [  d8] Jump target:block2


forOfTeardown$94a2ae97 lexical-env-teardown.js:38:5
  Registers: 12
  Blocks:    9
  Locals:    v~0, outer~1
  Constants:
    [0] = Int32(5)
    [1] = Int32(1)
    [2] = Undefined
    [3] = Int32(2)

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] Mov dst:outer~1, src:Int32(5)
  [  18] NewPrimitiveArray dst:reg5, elements:[10, 20]
  [  38] GetIterator dst_iterator_object:reg6, dst_iterator_next:reg7, dst_iterator_done:reg8, iterable:reg5
  [  50] Jump target:block2

block1:
  [  58] Return value:outer~1

block2:
  [  60] IteratorNextUnpack dst_value:reg10, dst_done:reg11, iterator_object:reg6, iterator_next:reg7, iterator_done:reg8
  [  78] JumpIf condition:reg11, true_target:block1, false_target:block4

block3:
  [  88] Catch dst:reg9
  [  90] SetLexicalEnvironment environment:reg4
  [  98] Mov dst:reg5, src:Int32(1)
  [  a8] JumpStrictlyEquals lhs:reg5, rhs:Int32(1), true_target:block5, false_target:block6

block4:
  [  c0] Mov dst:v~0, src:reg10
  [  d0] ThrowIfTDZ src:v~0
  [  d8] Jump target:block2

block5:
  [  e0] IteratorClose iterator_object:reg6, iterator_next:reg7, iterator_done:reg8, completion_value:reg9
  [  f8] Throw src:reg9

block6:
  [ 100] IteratorClose iterator_object:reg6, iterator_next:reg7, iterator_done:reg8, completion_value:Undefined
  [ 118] JumpStrictlyEquals lhs:reg5, rhs:Int32(2), true_target:block7, false_target:block8

block7:
  [ 130] Return value:reg9

block8:
  [ 138] Throw src:reg9

Exception handlers:
  [  c0 ..   e0] => handler block3


catchTeardown$ea214605 lexical-env-teardown.js:48:5
  Registers: 7
  Blocks:    3
  Locals:    e~0, outer~1
  Constants:
    [0] = Int32(6)
    [1] = Undefined
    [2] = String("test")

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] Mov dst:outer~1, src:Int32(6)
  [  18] Jump target:block2

block1:
  [  20] Catch dst:reg5
  [  28] SetLexicalEnvironment environment:reg4
  [  30] Mov dst:e~0, src:reg5
  [  40] Return value:outer~1

block2:
  [  48] GetGlobal dst:reg6, `Error`
  [  60] CallConstruct dst:reg5, callee:reg6, Error, arguments:[String("test")]
  [  80] Throw src:reg5

Exception handlers:
  [  48 ..   88] => handler block1


myName$b54e4267 lexical-env-teardown.js:60:5
  Registers: 6
  Blocks:    1

block0:
  [   0] TypeofBinding dst:reg5, `myName`
  [  18] Return value:reg5


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"function"