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Windows Arm64 release build fails #153668

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zooba added the needs backport to 3.15 bugs and security fixes label

gh-153668: Replace Unicode numeric switch with binary-search tables #156081


          Only disable during Release (not PGO)

eb7f9d7

chris-eibl requested changes

Aug 15, 2026

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PCbuild/pyproject.props Resolved

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bedevere-app Bot added awaiting changes and removed awaiting core review labels

Aug 15, 2026

bedevere-app Bot commented Aug 15, 2026

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When you're done making the requested changes, leave the comment: I have made the requested changes; please review again.

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scorpi023 mentioned this pull request

Aug 20, 2026

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          Merge branch 'main' into pythongh-153668

f2a8703

chris-eibl commented Sep 18, 2026

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!buildbot ARM64 Windows Non-Debug

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bedevere-bot commented Sep 18, 2026

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🤖 New build scheduled with the buildbot fleet by @chris-eibl for commit f2a8703 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F153669%2Fmerge

The command will test the builders whose names match following regular expression: ARM64 Windows Non-Debug

The builders matched are:

ARM64 Windows Non-Debug PR

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chris-eibl commented Sep 18, 2026

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ARM64 Windows Non-Debug PR

Green for f2a8703.

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chris-eibl added 2 commits

September 20, 2026 08:56


          Update PCbuild/pyproject.props

fc71c9f


          Merge branch 'main' into pythongh-153668

12f43aa

chris-eibl commented Sep 20, 2026

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!buildbot ARM64 Windows Non-Debug

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bedevere-bot commented Sep 20, 2026

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🤖 New build scheduled with the buildbot fleet by @chris-eibl for commit 12f43aa 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F153669%2Fmerge

The command will test the builders whose names match following regular expression: ARM64 Windows Non-Debug

The builders matched are:

ARM64 Windows Non-Debug PR

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chris-eibl self-requested a review

September 20, 2026 06:58

chris-eibl approved these changes

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bedevere-app Bot added awaiting merge and removed awaiting changes labels

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September 20, 2026 06:59

chris-eibl merged commit 9ea05d4 into python:main

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miss-islington-app Bot commented Sep 20, 2026

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Thanks @zooba for the PR, and @chris-eibl for merging it 🌮🎉.. I'm working now to backport this PR to: 3.15.
🐍🍒⛏🤖

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bedevere-app Bot removed the awaiting merge label

bedevere-app Bot commented Sep 20, 2026

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GH-157842 is a backport of this pull request to the 3.15 branch.

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bedevere-app Bot removed the needs backport to 3.15 bugs and security fixes label

zooba deleted the gh-153668 branch

September 21, 2026 13:13

hugovk pushed a commit that referenced this pull request

Sep 22, 2026


          [3.15] gh-153668: Temporarily disable unicodectype.c optimization on …

3404ded

…WinARM64 due to compiler bug (GH-153669) (#157842)

gh-153668: Temporarily disable unicodectype.c optimization on WinARM64 due to compiler bug (GH-153669)

* Only disable during Release (not PGO)

* Update PCbuild/pyproject.props

---------
(cherry picked from commit 9ea05d4)

Co-authored-by: Steve Dower <[email protected]>
Co-authored-by: Chris Eibl <[email protected]>

chris-eibl added the needs backport to 3.14 bugs and security fixes label

miss-islington-app Bot commented Sep 26, 2026

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Thanks @zooba for the PR, and @chris-eibl for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14.
🐍🍒⛏🤖

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miss-islington-app Bot commented Sep 26, 2026

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Sorry, @zooba and @chris-eibl, I could not cleanly backport this to 3.14 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker 9ea05d4b8f8a007d57b2b33a4dec26408fe6836b 3.14

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miss-islington-app Bot assigned chris-eibl

bedevere-app Bot commented Sep 26, 2026

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GH-158221 is a backport of this pull request to the 3.14 branch.

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bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label

hugovk pushed a commit that referenced this pull request