$c7fd0018 local-source-order.js:12:1
  Registers: 7
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] GetGlobal dst:reg6, `source_order_locals`
  [  18] Call dst:reg5, callee:reg6, this_value:Undefined, source_order_locals
  [  38] End value:reg5


source_order_locals$4b1aeb83 local-source-order.js:6:5
  Registers: 7
  Blocks:    1
  Locals:    zebra~0, yak~1, aardvark~2
  Constants:
    [0] = Int32(1)
    [1] = Int32(2)
    [2] = Int32(3)

block0:
  [   0] Mov3 dst1:zebra~0, src1:Int32(1), dst2:yak~1, src2:Int32(2), dst3:aardvark~2, src3:Int32(3)
  [  20] Add dst:reg5, lhs:zebra~0, rhs:yak~1
  [  30] Add dst:reg6, lhs:reg5, rhs:aardvark~2
  [  40] Return value:reg6