$9431c529 argument-postfix-self-move.js:5:1
  Registers: 7
  Blocks:    1
  Constants:
    [0] = Undefined
    [1] = Int32(10)

block0:
  [   0] GetGlobal dst:reg6, `f`
  [  18] Call dst:reg5, callee:reg6, this_value:Undefined, f, arguments:[Int32(10)]
  [  40] End value:reg5


f$833b82e7 argument-postfix-self-move.js:2:6
  Registers: 6
  Blocks:    1

block0:
  [   0] PostfixDecrement dst:reg5, src:arg0
  [  10] Mov dst:arg0, src:arg0
  [  20] Return value:arg0