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Title: gh-150587: Factor non-negative compact int subscript guards by KRRT7 · Pull Request #153004 · python/cpython · GitHub

Open Graph Title: gh-150587: Factor non-negative compact int subscript guards by KRRT7 · Pull Request #153004 · python/cpython

X Title: gh-150587: Factor non-negative compact int subscript guards by KRRT7 · Pull Request #153004 · python/cpython

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Open Graph Description: This PR is now a refactor/cleanup, not a bug fix. The original version assumed there was a correctness issue around non-compact int indices reaching specialized subscript paths. That turned out to ...

X Description: This PR is now a refactor/cleanup, not a bug fix. The original version assumed there was a correctness issue around non-compact int indices reaching specialized subscript paths. That turned out to ...

Opengraph URL: https://github.com/python/cpython/pull/153004

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Jul 4, 2026https://github.com/python/cpython/pull/153004#issue-4808129872
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BINARY_OP_SUBSCR_LIST_INT / STORE_SUBSCR_LIST_INT silently depend on _GUARD_TOS_INT enforcing compactness #150587https://github.com/python/cpython/issues/150587
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