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GH-132508: Use tagged integers on the evaluation stack for the last instruction offset (GH-132545)

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Mark Shannon 2025-04-29 18:00:35 +01:00 • committed by GitHub
parent caee16f052
commit ccf1b0b1c1
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14 changed files with 129 additions and 60 deletions
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5
Objects/frameobject.c
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@ -1813,15 +1813,16 @@ frame_lineno_set_impl(PyFrameObject *self, PyObject *value)
start_stack = pop_value(start_stack);
}
while (start_stack > best_stack) {
_PyStackRef popped = _PyFrame_StackPop(self->f_frame);
if (top_of_stack(start_stack) == Except) {
/* Pop exception stack as well as the evaluation stack */
PyObject *exc = PyStackRef_AsPyObjectBorrow(_PyFrame_StackPop(self->f_frame));
PyObject *exc = PyStackRef_AsPyObjectBorrow(popped);
assert(PyExceptionInstance_Check(exc) || exc == Py_None);
PyThreadState *tstate = _PyThreadState_GET();
Py_XSETREF(tstate->exc_info->exc_value, exc == Py_None ? NULL : exc);
}
else {
PyStackRef_XCLOSE(_PyFrame_StackPop(self->f_frame));
PyStackRef_XCLOSE(popped);
}
start_stack = pop_value(start_stack);
}