   0  -live- %i0, %i1, %i2, %i3
   0  jit_merge_point $79, I[], R[], F[], I[%i0, %i1, %i2, %i3], R[], F[]
  12  -live- %i0, %i2, %i3
  12  getfield_raw_i %i2, FieldDescr<userdata.callback> -> %i1
  17  residual_call_ir_v %i1, I[%i0, %i3, %i2], R[], <CallDescr(iii) EF=7>
  26  -live-
  26  void_return
