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gh-144549: Fix tail calling interpreter on Windows for FT (GH-144550)

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Ken Jin 2026-02-07 03:20:28 +08:00 • committed by GitHub
parent 28fb13cb33
commit 895e83727d
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8 changed files with 62 additions and 86 deletions
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28
Python/bytecodes.c
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@ -2364,31 +2364,9 @@ dummy_func(
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1);
if (oparg & 1) {
/* Designed to work in tandem with CALL, pushes two values. */
_PyCStackRef method;
_PyThreadState_PushCStackRef(tstate, &method);
int is_meth = _PyObject_GetMethodStackRef(tstate, PyStackRef_AsPyObjectBorrow(owner), name, &method.ref);
if (is_meth) {
/* We can bypass temporary bound method object.
meth is unbound method and obj is self.
meth | self | arg1 | ... | argN
*/
assert(!PyStackRef_IsNull(method.ref)); // No errors on this branch
self_or_null[0] = owner; // Transfer ownership
DEAD(owner);
attr = _PyThreadState_PopCStackRefSteal(tstate, &method);
}
else {
/* meth is not an unbound method (but a regular attr, or
something was returned by a descriptor protocol). Set
the second element of the stack to NULL, to signal
CALL that it's not a method call.
meth | NULL | arg1 | ... | argN
*/
PyStackRef_CLOSE(owner);
self_or_null[0] = PyStackRef_NULL;
attr = _PyThreadState_PopCStackRefSteal(tstate, &method);
ERROR_IF(PyStackRef_IsNull(attr));
}
attr = _Py_LoadAttr_StackRefSteal(tstate, owner, name, self_or_null);
DEAD(owner);
ERROR_IF(PyStackRef_IsNull(attr));
}
else {
/* Classic, pushes one value. */