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

[sjames at gcc dot gnu.org via Gcc-bugs]

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

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
Ah, sorry for missing it. With my usual setup, only --disable-gil failed (with
more options), so I started with a bad assumption.