   0  -live- %r0, %r1
   0  guard_class %r0 -> %i0
   3  -live- %i0, %r0, %r1
   3  goto_if_not_int_eq %i0, $<* struct object_vtable>, L1
   8  getfield_gc_r %r0, FieldDescr<rpython.rlib.streamio.StreamError.inst_message> -> %r1
  13  -live- %r1
  13  goto_if_not_ptr_iszero %r1, L2
  17  ref_copy $<* struct pypy.interpreter.baseobjspace.W_Root> -> %r0
  20  L3:
  20  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x10094c3ea50> -> %r1
  24  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  29  setfield_gc_r %r1, %r0, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  34  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  39  ref_return %r1
  41  ---
  41  L2:
  41  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x10096124f10> -> %r0
  45  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  50  goto L3
  53  ---
  53  L1:
  53  -live- %r0, %r1
  53  guard_class %r0 -> %i0
  56  -live- %i0, %r0, %r1
  56  goto_if_not_int_eq %i0, $<* struct object_vtable>, L4
  61  inline_call_r_r <JitCode 'wrap_oserror2__w_OSError'>, R[%r0, %r1, $<* struct rpy_string>, $<* struct pypy.objspace.std.typeobject.W_TypeObject>] -> %r1
  70  -live- %r1
  70  ref_return %r1
  72  ---
  72  L4:
  72  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x10094c3ea50> -> %r1
  76  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  81  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  86  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  91  ref_return %r1
