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Title: gh-157468: Validate correct builtins used under JIT by johng · Pull Request #157766 · python/cpython · GitHub

Open Graph Title: gh-157468: Validate correct builtins used under JIT by johng · Pull Request #157766 · python/cpython

X Title: gh-157468: Validate correct builtins used under JIT by johng · Pull Request #157766 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: This adds the two checks at tracing and at JIT runtime that the builtin dict is the original interpreter's builtins Issue: Tier 2 optimizer may use canonical builtins for functions with a co...

X Description: This adds the two checks at tracing and at JIT runtime that the builtin dict is the original interpreter's builtins Issue: Tier 2 optimizer may use canonical builtins for functions with ...

Opengraph URL: https://github.com/python/cpython/pull/157766

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Add check and fix for globals being foldedhttps://github.com/python/cpython/pull/157766/commits/068a3e262c9830b71d7c94af2927c1b5952041a1
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September 28, 2026 07:08https://github.com/python/cpython/pull/157766#event-31970548652
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Remove comment for testinghttps://github.com/python/cpython/pull/157766/commits/1e64dcbb0389e385d08acd00b0c04242a555a8a1
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Add do nothing commenthttps://github.com/python/cpython/pull/157766/commits/5815651a89421f402ded82989b35614560c956e7
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September 30, 2026 17:40https://github.com/python/cpython/pull/157766#event-32187599878
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Oct 1, 2026 https://github.com/python/cpython/pull/157766#pullrequestreview-5378478431
View reviewed changes https://github.com/python/cpython/pull/157766/files/5815651a89421f402ded82989b35614560c956e7
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Oct 1, 2026https://github.com/python/cpython/pull/157766#event-32245477226
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the buildbot page in the devguidehttps://devguide.python.org/buildbots/
https://buildbot.python.org/#/builders/1589/builds/3974https://buildbot.python.org/#/builders/1589/builds/3974
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https://buildbot.python.org/#/builders/1613/builds/3909https://buildbot.python.org/#/builders/1613/builds/3909
0906d2ahttps://github.com/python/cpython/commit/0906d2ab93fc9f4c7e0db031c965e7d8a0db7d37
https://buildbot.python.org/#/builders/1613/builds/3909https://buildbot.python.org/#/builders/1613/builds/3909
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Oct 12, 2026 https://github.com/python/cpython/pull/157766#ref-commit-4df287d
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: Validate correct builtins used under JIT (https://github.com/python/cpython/commit/4df287d276a890bca3c0b9b2807584c7cbc78bb0
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) (https://github.com/python/cpython/commit/4df287d276a890bca3c0b9b2807584c7cbc78bb0
4df287dhttps://github.com/python/cpython/commit/4df287d276a890bca3c0b9b2807584c7cbc78bb0
GH-159048https://github.com/python/cpython/pull/159048
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