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Title: [3.10] gh-98724: Fix Py_CLEAR() macro side effects (GH-99100) (GH-99288) by miss-islington · Pull Request #99292 · python/cpython · GitHub

Open Graph Title: [3.10] gh-98724: Fix Py_CLEAR() macro side effects (GH-99100) (GH-99288) by miss-islington · Pull Request #99292 · python/cpython

X Title: [3.10] gh-98724: Fix Py_CLEAR() macro side effects (GH-99100) (GH-99288) by miss-islington · Pull Request #99292 · python/cpython

Description: 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) Issue: gh-98724

Open Graph Description: 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...

X Description: 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...

Opengraph URL: https://github.com/python/cpython/pull/99292

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