   0  -live- %r0
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_is_closed> -> %i0
   8  -live- %i0, %r0
   8  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  12  unreachable
  13  ---
  13  L1:
  13  -live- %r0
  13  getfield_gc_i %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__closed> -> %i0
  18  L4:
  18  -live- %i0
  18  goto_if_not %i0, L5
  22  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000018e6b98a0> -> %r0
  26  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  31  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  36  assert_not_none %r0
  38  -live- %r0
  38  guard_class %r0 -> %i0
  41  -live- %r0
  41  raise %r0
  43  ---
  43  L5:
  43  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  45  ---
  45  L2:
  45  -live- %r0
  45  getfield_gc_r %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_string> -> %r0
  50  ptr_iszero %r0 -> %i0
  53  goto L4
  56  ---
  56  L3:
  56  -live-
  56  raise $<* struct object>
