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Title: [3.15] gh-157468: Validate correct builtins used under JIT (GH-157766) by johng · Pull Request #159048 · python/cpython · GitHub

Open Graph Title: [3.15] gh-157468: Validate correct builtins used under JIT (GH-157766) by johng · Pull Request #159048 · python/cpython

X Title: [3.15] gh-157468: Validate correct builtins used under JIT (GH-157766) by johng · Pull Request #159048 · python/cpython

Description: Expose two possible builtin JIT gaps Add trace and runtime guard for builtin dict Check _GUARD_BUILTINS_IS_CANONICAL once per frame Add check and fix for globals being folded (cherry picked from commit 0906d2a) Co-authored-by: John me@joh.ng Manual backport: the only conflict was in the generated Include/internal/pycore_uop_ids.h; resolved by running make regen-cases on 3.15. Issue: gh-157468

Open Graph Description: Expose two possible builtin JIT gaps Add trace and runtime guard for builtin dict Check _GUARD_BUILTINS_IS_CANONICAL once per frame Add check and fix for globals being folded (cherry picked f...

X Description: Expose two possible builtin JIT gaps Add trace and runtime guard for builtin dict Check _GUARD_BUILTINS_IS_CANONICAL once per frame Add check and fix for globals being folded (cherry picked f...

Opengraph URL: https://github.com/python/cpython/pull/159048

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f50e78d [3.15] gh-157468: Validate correct builtins used under JIT (GH-157766) johng Oct 1, 2026 https://github.com/python/cpython/pull/159048/commits/f50e78d9b6511aa3792beb8e04890a667a1e4253
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