   0  -live- %r0
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<rpython.rlib.streamio.Stream_vtable.cls_close1> -> %i0
   8  -live- %i0, %r0
   8  int_guard_value %i0
  10  residual_call_ir_v %i0, <IndirectCallTargets>, I[$True], R[%r0], <CallDescr(ri) EF=7>
  18  -live-
  18  void_return
