gh-101525: Use only safe identical code folding with BOLT by geofft · Pull Request #134642 · python/cpython · GitHub

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Pull requests 2.6k

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llvm/llvm-project#116275

"Identical code folding" (ICF) is the feature of an optimizer to find that two functions have the same code and that they can therefore be deduplicated in the binary. While this is usually safe, it can cause observable b

Make BOLT as stable feature #101525

Use only safe identical code folding with BOLT

Disable unsafe identical code folding in BOLT astral-sh/python-build-standalone#622

View reviewed changes

Disable unsafe identical code folding in BOLT (

astral-sh/uv#13610

needs backport to 3.13

needs backport to 3.14

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Upstream patch patch-configure-bolt-icf-safe.patch astral-sh/python-build-standalone#878

github-actions Bot commented Apr 25, 2026

This PR is stale because it has been open for 30 days with no activity.

BOLT-WARNING: specifying numeric value "1" for option -icf is deprecated #149708

needs backport to 3.15