[Bug rtl-optimization/119607] [15 regression] glib miscompiled since r15-7895-gb191e8bdecf881 with -O3 -m32 -march=x86-64 -mtune=znver2 -fno-semantic-interposition

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119607

--- Comment #16 from Sam James <sjames at gcc dot gnu.org> ---
https://gitlab.gnome.org/GNOME/glib/-/issues/1672 references the assertion not
being atomic at least:
> Unsynchronized read of ref_count in g_closure_ref / g_closure_unref from 
> assertion.

Looks like gvariant also had similar problems before:
https://gitlab.gnome.org/GNOME/glib/-/commit/6d108587a4896357be3ca42a43d22c825af62e91.