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Title: gh-152375: Fix UB in `INSTRUMENTED_JUMP` by StanFromIreland · Pull Request #152376 · python/cpython · GitHub

Open Graph Title: gh-152375: Fix UB in `INSTRUMENTED_JUMP` by StanFromIreland · Pull Request #152376 · python/cpython

X Title: gh-152375: Fix UB in `INSTRUMENTED_JUMP` by StanFromIreland · Pull Request #152376 · python/cpython

Description: I didn't add a test, I think it's too messy here, but I don't feel strongly about it. It is also already covered (non-deterministically) by test_monitoring, as that's what triggered UBSan. Issue: gh-152375

Open Graph Description: I didn't add a test, I think it's too messy here, but I don't feel strongly about it. It is also already covered (non-deterministically) by test_monitoring, as that's what triggered...

X Description: I didn't add a test, I think it's too messy here, but I don't feel strongly about it. It is also already covered (non-deterministically) by test_monitoring, as that'...

Opengraph URL: https://github.com/python/cpython/pull/152376

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452407b Fix UB in `INSTRUMENTED_JUMP` StanFromIreland Jun 27, 2026 https://github.com/python/cpython/pull/152376/commits/452407ba77f88ed2128ea2eec8bfdc963ef961d7
9110586 Merge branch 'main' into INSTRUMENTED_JUMP-ub StanFromIreland Jun 27, 2026 https://github.com/python/cpython/pull/152376/commits/9110586e1f5a265525be8a5e0dff63ef881daad9
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