$7b17d83b nested-for-loop-completion.js:4:1
  Registers: 9
  Blocks:    8
  Constants:
    [0] = Int32(4)
    [1] = Undefined
    [2] = Int32(7)
    [3] = Int32(1)
    [4] = Int32(0)
    [5] = Int32(2)

block0:
  [   0] SetGlobal `n`, src:Int32(4)
  [  10] Mov dst:reg5, src:Undefined
  [  20] Jump target:block3

block1:
  [  28] SetGlobal `depth`, src:Int32(0)
  [  38] Mov dst:reg6, src:Undefined
  [  48] Jump target:block6

block2:
  [  50] GetGlobal dst:reg7, `n`
  [  60] Add dst:reg6, lhs:reg7, rhs:Int32(1)
  [  70] SetGlobal `n`, src:reg6

block3:
  [  80] GetGlobal dst:reg6, `n`
  [  90] JumpLessThanEquals lhs:reg6, rhs:Int32(7), true_target:block1, false_target:block4

block4:
  [  a8] End value:reg5

block5:
  [  b0] GetGlobal dst:reg8, `depth`
  [  c0] Add dst:reg7, lhs:reg8, rhs:Int32(2)
  [  d0] SetGlobal `depth`, src:reg7

block6:
  [  e0] GetGlobal dst:reg7, `depth`
  [  f0] JumpLessThanEquals lhs:reg7, rhs:Int32(0), true_target:block5, false_target:block7

block7:
  [ 108] Mov dst:reg5, src:reg6
  [ 118] Jump target:block2