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Title: gh-98724: Fix Py_CLEAR() macro side effects by vstinner · Pull Request #99100 · python/cpython · GitHub

Open Graph Title: gh-98724: Fix Py_CLEAR() macro side effects by vstinner · Pull Request #99100 · python/cpython

X Title: gh-98724: Fix Py_CLEAR() macro side effects by vstinner · Pull Request #99100 · python/cpython

Description: The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If the argument has side effects, these side effects are no longer duplicated. Add test_py_clear() and test_py_setref() unit tests to _testcapi. Issue: gh-98724

Open Graph Description: The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If the argument has side effects, these side effects are no longer duplicated. Add test_py_clear() and tes...

X Description: The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If the argument has side effects, these side effects are no longer duplicated. Add test_py_clear() and tes...

Opengraph URL: https://github.com/python/cpython/pull/99100

X: @github

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