17 regression] CPython miscompiled with preserve_none and CFLAGS="-O2 -march=znver2 -ggdb3"

hjl.tools at gmail dot com via Gcc-bugs Tue, 12 May 2026 05:33:03 -0700

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


--- Comment #62 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 64446
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64446&action=edit
The v3 patch

[Bug target/120870] [16/17 regression] CPython miscompiled with preserve_none and CFLAGS="-O2 -march=znver2 -ggdb3"

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