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GeezerVison is showing github.com — [3.11] gh-98724: Fix Py_CLEAR() macro side effects (#99100) by vstinner · Pull Request #99288 · python/cpython

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@vstinner

@vstinner vstinner commented Nov 9, 2022 •
edited by bedevere-bot
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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)

  • Issue: Macro Py_CLEAR references argument two times. #98724

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@vstinner
gh-98724: Fix Py_CLEAR() macro side effects (#99100)
a474ce0 
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)
@vstinner vstinner added the needs backport to 3.10 label Nov 9, 2022
@bedevere-bot bedevere-bot mentioned this pull request Nov 9, 2022
Macro Py_CLEAR references argument two times. #98724
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@bedevere-bot bedevere-bot added the awaiting core review label Nov 9, 2022
@bedevere-bot bedevere-bot mentioned this pull request Nov 9, 2022
gh-98724: Fix Py_CLEAR() macro side effects #99100
Merged
@vstinner
vstinner merged commit 1082890 into python:3.11 Nov 9, 2022
@miss-islington

miss-islington commented Nov 9, 2022

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Thanks @vstinner for the PR 🌮🎉.. I'm working now to backport this PR to: 3.10.
🐍🍒⛏🤖
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@bedevere-bot bedevere-bot removed the awaiting core review label Nov 9, 2022
@vstinner
vstinner deleted the py_clear311 branch November 9, 2022 15:29
@bedevere-bot

bedevere-bot commented Nov 9, 2022

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GH-99292 is a backport of this pull request to the 3.10 branch.
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@bedevere-bot bedevere-bot removed the needs backport to 3.10 label Nov 9, 2022
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Nov 9, 2022
@vstinner @miss-islington
pythongh-98724: Fix Py_CLEAR() macro side effects (pythonGH-99100) (p…
de37748 
…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 <[email protected]>
(cherry picked from commit c03e05c)
@vstinner vstinner mentioned this pull request Nov 18, 2022
[3.11] Revert "[3.11] gh-98724: Fix Py_CLEAR() macro side effects (#99100)" #99573
Merged
vstinner added a commit that referenced this pull request Nov 18, 2022
@vstinner
Revert "gh-98724: Fix Py_CLEAR() macro side effects (#99100) (#99288)"
f728554 
This reverts commit 1082890.
vstinner added a commit that referenced this pull request Nov 21, 2022
@vstinner
[3.11] Revert "[3.11] gh-98724: Fix Py_CLEAR() macro side effects (#9…
0c6b3a2 
…9100)" (#99573)

Revert "gh-98724: Fix Py_CLEAR() macro side effects (#99100) (#99288)"

This reverts commit 1082890.
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3 participants

@vstinner @miss-islington @bedevere-bot
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