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GH-128682: Change a couple of functions to only steal references on success. (GH-129132)

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Change PyTuple_FromStackRefSteal and PyList_FromStackRefSteal to only steal on success to avoid escaping
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Mark Shannon 2025-01-22 10:51:37 +00:00 • committed by GitHub
parent a65f802692
commit 470a0a68eb
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11 changed files with 34 additions and 32 deletions
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12
Python/executor_cases.c.h generated
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@ -2240,8 +2240,10 @@
_PyStackRef tup;
oparg = CURRENT_OPARG();
values = &stack_pointer[-oparg];
PyObject *tup_o = _PyTuple_FromStackRefSteal(values, oparg);
if (tup_o == NULL) JUMP_TO_ERROR();
PyObject *tup_o = _PyTuple_FromStackRefStealOnSuccess(values, oparg);
if (tup_o == NULL) {
JUMP_TO_ERROR();
}
tup = PyStackRef_FromPyObjectSteal(tup_o);
stack_pointer[-oparg] = tup;
stack_pointer += 1 - oparg;
@ -2254,8 +2256,10 @@
_PyStackRef list;
oparg = CURRENT_OPARG();
values = &stack_pointer[-oparg];
PyObject *list_o = _PyList_FromStackRefSteal(values, oparg);
if (list_o == NULL) JUMP_TO_ERROR();
PyObject *list_o = _PyList_FromStackRefStealOnSuccess(values, oparg);
if (list_o == NULL) {
JUMP_TO_ERROR();
}
list = PyStackRef_FromPyObjectSteal(list_o);
stack_pointer[-oparg] = list;
stack_pointer += 1 - oparg;