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bpo-45711: Remove type and traceback from exc_info (GH-30122)

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* Do not PUSH/POP traceback or type to the stack as part of exc_info

* Remove exc_traceback and exc_type from _PyErr_StackItem

* Add to what's new, because this change breaks things like Cython
This commit is contained in:
Irit Katriel 2021-12-17 14:46:22 +00:00 • committed by GitHub
parent 62a0a2a25d
commit 396b58345f
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 228 additions and 389 deletions
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6
Objects/genobject.c
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@ -25,9 +25,7 @@ static const char *ASYNC_GEN_IGNORED_EXIT_MSG =
static inline int
exc_state_traverse(_PyErr_StackItem *exc_state, visitproc visit, void *arg)
{
Py_VISIT(exc_state->exc_type);
Py_VISIT(exc_state->exc_value);
Py_VISIT(exc_state->exc_traceback);
return 0;
}
@ -886,9 +884,7 @@ make_gen(PyTypeObject *type, PyFunctionObject *func)
gen->gi_code = (PyCodeObject *)func->func_code;
Py_INCREF(gen->gi_code);
gen->gi_weakreflist = NULL;
gen->gi_exc_state.exc_type = NULL;
gen->gi_exc_state.exc_value = NULL;
gen->gi_exc_state.exc_traceback = NULL;
gen->gi_exc_state.previous_item = NULL;
if (func->func_name != NULL)
gen->gi_name = func->func_name;
@ -975,9 +971,7 @@ gen_new_with_qualname(PyTypeObject *type, PyFrameObject *f,
Py_INCREF(gen->gi_code);
Py_DECREF(f);
gen->gi_weakreflist = NULL;
gen->gi_exc_state.exc_type = NULL;
gen->gi_exc_state.exc_value = NULL;
gen->gi_exc_state.exc_traceback = NULL;
gen->gi_exc_state.previous_item = NULL;
if (name != NULL)
gen->gi_name = name;