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Title: JIT might accidentally use Apple LLVM 21 on macOS · Issue #146475 · python/cpython · GitHub

Open Graph Title: JIT might accidentally use Apple LLVM 21 on macOS · Issue #146475 · python/cpython

X Title: JIT might accidentally use Apple LLVM 21 on macOS · Issue #146475 · python/cpython

Description: Bug report Bug description: The JIT is incompatible with Apple LLVM 21, but sometimes it finds it and the tool check passes. We should block it. Thanks to @kumaraditya303 for finding this issue. CPython versions tested on: CPython main b...

Open Graph Description: Bug report Bug description: The JIT is incompatible with Apple LLVM 21, but sometimes it finds it and the tool check passes. We should block it. Thanks to @kumaraditya303 for finding this issue. CP...

X Description: Bug report Bug description: The JIT is incompatible with Apple LLVM 21, but sometimes it finds it and the tool check passes. We should block it. Thanks to @kumaraditya303 for finding this issue. CP...

Opengraph URL: https://github.com/python/cpython/issues/146475

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JIT might accidentally use Apple LLVM 21 on macOShttps://github.com/python/cpython/issues/146475#top
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Fidget-Spinnerhttps://github.com/Fidget-Spinner
on Mar 26, 2026https://github.com/python/cpython/issues/146475#issue-4145604708
@kumaraditya303https://github.com/kumaraditya303
gh-146475: Block Apple LLVM 21 from passing JIT tool version check #146478https://github.com/python/cpython/pull/146478
GH-146475: Strip CFI directives from JIT stencils to allow using Apple LLVM 21 #148364https://github.com/python/cpython/pull/148364
GH-146475: Block Apple Clang for building JIT stencils #149188https://github.com/python/cpython/pull/149188
[3.14] GH-146475: Block Apple Clang for building JIT stencils (#149188) #149339https://github.com/python/cpython/pull/149339
[3.13] GH-146475: Block Apple Clang for building JIT stencils (#149188) #149340https://github.com/python/cpython/pull/149340
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on Mar 26, 2026https://github.com/python/cpython/issues/146475#event-23943922852
pythongh-146475: Block Apple LLVM 21 from passing JIT tool version checkhttps://github.com/ashutoshk314/cpython/commit/f29015ef58468113da03affe8a5c1f6f8bfedf1d
pythongh-146475https://github.com/python/cpython/issues/146475
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on Apr 30, 2026https://github.com/python/cpython/issues/146475#event-25054701957
GH-146475: Block Apple Clang for building JIT stencils (#149188)https://github.com/python/cpython/commit/c0e064003954142b4ba820dfe149f893227c4f11
GH-146475https://github.com/python/cpython/issues/146475
#149188https://github.com/python/cpython/pull/149188
c0e0640https://github.com/python/cpython/commit/c0e064003954142b4ba820dfe149f893227c4f11
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pendingThe issue will be closed if no feedback is providedhttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22pending%22
on May 2, 2026https://github.com/python/cpython/issues/146475#event-25092782858
savannahostrowskihttps://github.com/savannahostrowski
on May 4, 2026https://github.com/python/cpython/issues/146475#event-25114654099
[3.13] GH-146475: Block Apple Clang for building JIT stencils (#149188)…https://github.com/python/cpython/commit/d82d5c2ddbc73fc188812a3d16b9ab2d15c76a01
GH-146475https://github.com/python/cpython/issues/146475
#149188https://github.com/python/cpython/pull/149188
d82d5c2https://github.com/python/cpython/commit/d82d5c2ddbc73fc188812a3d16b9ab2d15c76a01
[3.14] GH-146475: Block Apple Clang for building JIT stencils (#149188)…https://github.com/python/cpython/commit/c55cce2e5f2f30fa54c616395360ac2e1f9d5d5f
GH-146475https://github.com/python/cpython/issues/146475
#149188https://github.com/python/cpython/pull/149188
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