[Bug target/120870] [16 regression] CPython miscompiled with preserve_none and CFLAGS="-O2 -march=znver2 -ggdb3"

sjames at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Feb 16 09:38:10 GMT 2026

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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120870

--- Comment #22 from Sam James <sjames at gcc dot gnu.org> ---
I can reproduce a crash still, not looked at it further yet

Previous message (by thread): [Bug target/124112] New: FAIL: gcc.dg/vect/vect-early-break_65.c scan-tree-dump-times vect "vectorized 1 loops" 1 for arm-none-eabi
Next message (by thread): [Bug tree-optimization/124113] New: [16 Regression] 6% slowdown of sphinx3 on Zen5 since r16-7359-gae04c1afd1526a
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