$2b997e90 var-init-in-param-body-scope.js:4:1
  Registers: 7
  Blocks:    1
  Constants:
    [0] = Undefined

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


f$6f9adbc3
  Registers: 6
  Blocks:    3
  Locals:    x~0
  Constants:
    [0] = Int32(1)
    [1] = Undefined
    [2] = String("inside")

block0:
  [   0] JumpUndefined condition:arg0, true_target:block1, false_target:block2

block1:
  [  10] Mov dst:arg0, src:Int32(1)

block2:
  [  20] Mov3 dst1:reg5, src1:Undefined, dst2:x~0, src2:reg5, dst3:x~0, src3:String("inside")
  [  40] End value:Undefined