$15d45b76 call-spread-register-order.js:2:1
  Registers: 10
  Blocks:    1
  Constants:
    [0] = Undefined
    [1] = Int32(42)

block0:
  [   0] GetGlobal dst:reg6, `f`
  [  10] Mov dst:reg8, src:Int32(42)
  [  20] NewArray dst:reg7, elements:[reg8]
  [  38] NewPrimitiveArray dst:reg9, elements:[1]
  [  50] ArrayAppend dst:reg7, src:reg9, is_spread:true
  [  60] CallWithArgumentArray dst:reg5, callee:reg6, this_value:Undefined, arguments:reg7, f
  [  78] End value:reg5


f$7aaaa003
  Registers: 5
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] End value:Undefined