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GH-104584: Restore frame->stacktop on optimizer error (GH-108953)

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Brandt Bucher 2023-09-06 13:59:50 -07:00 • committed by GitHub
parent 6f3c138dfa
commit 6971e40c2e
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Misc/NEWS.d/next/Core and Builtins/2023-09-05-11-31-27.gh-issue-104584.IRSXA2.rst Normal file
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@ -0,0 +1,2 @@
Fix a crash when running with :envvar:`PYTHONUOPS` or :option:`-X uops <-X>`
enabled and an error occurs during optimization.

1
Python/optimizer.c
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@ -169,6 +169,7 @@ _PyOptimizer_BackEdge(_PyInterpreterFrame *frame, _Py_CODEUNIT *src, _Py_CODEUNI
if (err <= 0) { if (err <= 0) {
assert(executor == NULL); assert(executor == NULL);
if (err < 0) { if (err < 0) {
_PyFrame_SetStackPointer(frame, stack_pointer);
return NULL; return NULL;
} }
goto jump_to_destination; goto jump_to_destination;