   0  getfield_gc_r %r0, FieldDescr<rpython.rlib.streamio.BufferingOutputStream.inst_do_tell> -> %r1
   5  -live- %r0, %r1
   5  guard_class %r1 -> %i0
   8  getfield_raw_i %i0, FieldDescr<rpython.rlib.streamio.Stream_vtable.cls_tell> -> %i0
  13  -live- %i0, %r0, %r1
  13  int_guard_value %i0
  15  residual_call_r_i %i0, <IndirectCallTargets>, R[%r1], <CallDescr(r) EF=7> -> %i0
  22  -live- %i0, %r0
  22  getfield_gc_i %r0, FieldDescr<rpython.rlib.streamio.BufferingOutputStream.inst_buflen> -> %i1
  27  int_add %i0, %i1 -> %i0
  31  int_return %i0
