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gh-130595: Keep traceback alive for WITH_EXCEPT_START (#130562)

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Keep traceback alive for WITH_EXCEPT_START
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Dino Viehland 2025-02-26 10:41:26 -08:00 • committed by GitHub
parent 9e474a98af
commit 5c8e8704c3
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GPG key ID: B5690EEEBB952194
3 changed files with 10 additions and 16 deletions
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6
Python/bytecodes.c
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@ -3297,13 +3297,10 @@ dummy_func(
assert(val_o && PyExceptionInstance_Check(val_o));
exc = PyExceptionInstance_Class(val_o);
tb = PyException_GetTraceback(val_o);
PyObject *original_tb = tb = PyException_GetTraceback(val_o);
if (tb == NULL) {
tb = Py_None;
}
else {
Py_DECREF(tb);
}
assert(PyStackRef_LongCheck(lasti));
(void)lasti; // Shut up compiler warning if asserts are off
PyObject *stack[5] = {NULL, PyStackRef_AsPyObjectBorrow(exit_self), exc, val_o, tb};
@ -3311,6 +3308,7 @@ dummy_func(
PyObject *res_o = PyObject_Vectorcall(exit_func_o, stack + 2 - has_self,
(3 + has_self) | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
ERROR_IF(res_o == NULL, error);
Py_XDECREF(original_tb);
res = PyStackRef_FromPyObjectSteal(res_o);
}