[3.11] gh-98724: Fix Py_CLEAR() macro side effects (#99100)#99288
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The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If an argument has side effects, these side effects are no longer duplicated. Add test_py_clear() and test_py_setref() unit tests to _testcapi. (cherry picked from commit c03e05c)
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miss-islington commented Nov 9, 2022
Thanks @vstinner for the PR 🌮🎉.. I'm working now to backport this PR to: 3.10. |
bedevere-bot commented Nov 9, 2022
GH-99292 is a backport of this pull request to the 3.10 branch. |
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Nov 9, 2022
…ythonGH-99288) The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If an argument has side effects, these side effects are no longer duplicated. Add test_py_clear() and test_py_setref() unit tests to _testcapi. (cherry picked from commit 1082890) Co-authored-by: Victor Stinner <vstinner@python.org> (cherry picked from commit c03e05c)
vstinner added a commit that referenced this pull request Nov 21, 2022
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The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If an argument has side effects, these side effects are no longer duplicated.
Add test_py_clear() and test_py_setref() unit tests to _testcapi.
(cherry picked from commit c03e05c)