$162ec0dc assign-to-parameter.js:8:1
  Registers: 7
  Blocks:    1
  Constants:
    [0] = Undefined

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


isect$41c8d351 assign-to-parameter.js:5:9
  Registers: 5
  Blocks:    1
  Constants:
    [0] = Undefined

block0:
  [   0] Mov dst:arg0, src:arg1
  [  10] End value:Undefined