$aaec50d4 invalid-lhs-assignment-no-dead-code.js:8:1
  Registers: 10
  Blocks:    3
  Constants:
    [0] = Undefined

block0:
  [   0] GetLexicalEnvironment dst:reg4
  [   8] Jump target:block2

block1:
  [  10] Catch dst:reg5
  [  18] SetLexicalEnvironment environment:reg4
  [  20] Mov2 dst1:reg6, src1:Undefined, dst2:reg7, src2:reg6
  [  38] End value:reg6

block2:
  [  40] Mov dst:reg5, src:Undefined
  [  50] GetGlobal dst:reg8, `f`
  [  68] NewFunction dst:reg9, shared_function_data_index:0
  [  80] Call dst:reg6, callee:reg8, this_value:Undefined, f, arguments:[reg9]
  [  a8] Mov2 dst1:reg5, src1:reg6, dst2:reg6, src2:reg5
  [  c0] End value:reg6

Exception handlers:
  [  40 ..   c8] => handler block1


f$36958900 invalid-lhs-assignment-no-dead-code.js:5:6
  Registers: 6
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] Call dst:reg5, callee:arg0, this_value:Undefined, x
  [  20] NewReferenceError dst:reg5, Invalid left-hand side in assignment
  [  30] Throw src:reg5


$ccf7ed9d
  Registers: 5
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] End value:Undefined