   0  -live- %r0, %r1
   3  guard_class %r0 -> %i0
   6  -live- %i0, %r0, %r1
   9  goto_if_not_int_eq %i0, $<* struct object_vtable>, L1
  14  getfield_gc_r %r0, FieldDescr<rpython.rlib.streamio.StreamError.inst_message> -> %r1
  19  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab6c53ffa0> -> %r0
  23  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  28  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab6b658a30> -> %r1
  32  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  37  setfield_gc_r %r1, %r0, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  42  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  47  ref_return %r1
  49  ---
  49  L1:
  49  -live- %r0, %r1
  52  guard_class %r0 -> %i0
  55  -live- %i0, %r0, %r1
  58  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  63  inline_call_r_r <JitCode 'wrap_oserror2__exceptions_IOError'>, R[%r0, %r1, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %r1
  71  -live- %r1
  74  ref_return %r1
  76  ---
  76  L2:
  76  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab6b658a30> -> %r1
  80  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  85  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  90  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  95  ref_return %r1
