   0  -live- %r0
   3  guard_class %r0 -> %i0
   6  getfield_raw_i %i0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputOutputType_vtable.cls_is_closed> -> %i0
  11  -live- %i0, %r0
  14  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  18  unreachable
  19  ---
  19  L1:
  19  -live- %r0
  22  getfield_gc_i %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_OutputType.inst__RStringIO__closed> -> %i0
  27  L4:
  27  -live- %i0
  30  goto_if_not %i0, L5
  34  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa65925830> -> %r0
  38  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  43  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  48  assert_not_none %r0
  50  -live- %r0
  53  raise %r0
  55  ---
  55  L5:
  55  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  57  ---
  57  L2:
  57  -live- %r0
  60  getfield_gc_r %r0, FieldDescr<pypy.module.cStringIO.interp_stringio.W_InputType.inst_string> -> %r0
  65  ptr_iszero %r0 -> %i0
  68  goto L4
  71  ---
  71  L3:
  71  -live-
  74  raise $<* struct object>
