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GeezerVison is showing github.com — [3.14] gh-157649: Use more warmups in test_cext to check for refleaks by vstinner · Pull Request #159375 · python/cpython

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@vstinner

@vstinner vstinner commented Oct 13, 2026 •
edited by bedevere-app Bot
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Use 3 warmups instead of 1 before checking for reference leaks. Also, always call gc.collect() before reading sys.gettotalrefcount().

  • Issue: Py_CLEAR/Py_SETREF() regression on the main branch with C++: SEGV with simple numpy program #157649

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@vstinner
pythongh-157649: Use more warmups in test_cext to check for refleaks
a21b56d 
Use 3 warmups instead of 1 before checking for reference leaks. Also,
always call gc.collect() before reading sys.gettotalrefcount().
@vstinner vstinner added tests Tests in the Lib/test dir skip news topic-C-API labels Oct 13, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 13, 2026
Py_CLEAR/Py_SETREF() regression on the main branch with C++: SEGV with simple numpy program #157649
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@bedevere-app bedevere-app Bot added the awaiting core review label Oct 13, 2026
@vstinner vstinner added the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Oct 13, 2026
@bedevere-bot

bedevere-bot commented Oct 13, 2026

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🤖 New build scheduled with the buildbot fleet by @vstinner for commit a21b56d 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F159375%2Fmerge

If you want to schedule another build, you need to add the 🔨 test-with-buildbots label again.
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@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Oct 13, 2026
@vstinner vstinner mentioned this pull request Oct 13, 2026
test_cext failed with "AssertionError: Tests leaked 1 references" on aarch64 CentOS9 3.15 #159318
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@vstinner

vstinner commented Oct 13, 2026

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buildbot/AMD64 Windows PGO NoGIL Tailcall PR
buildbot/AMD64 Windows PGO Tailcall PR

Unrelated issue. Build failed with: #error: "Tail calling not supported for MSVC."
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@vstinner
vstinner merged commit bb70c1a into python:3.14 Oct 13, 2026
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@vstinner
vstinner deleted the test_cext14 branch October 13, 2026 22:10
@bedevere-app bedevere-app Bot removed the awaiting core review label Oct 13, 2026
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skip news tests Tests in the Lib/test dir topic-C-API

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@vstinner @bedevere-bot
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