   0  getfield_gc_r $<* struct rpython.rlib.streamio.BufferingInputStream>, FieldDescr<rpython.rlib.streamio.BufferingInputStream.inst_base> -> %r0
   5  -live- %i0, %r0
   8  guard_class %r0 -> %i1
  11  getfield_raw_i %i1, FieldDescr<rpython.rlib.streamio.Stream_vtable.cls_close1> -> %i1
  16  -live- %i0, %i1, %r0
  19  int_guard_value %i1
  21  residual_call_ir_v %i1, <IndirectCallTargets>, I[%i0], R[%r0], <CallDescr(ri) EF=7>
  29  -live-
  32  void_return
