[Bug bootstrap/66801] [6 Regression] gcc miscompiled during PGO/LTO bootstrap

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66801

--- Comment #17 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Nothing helps; neither -fno-ipa-cp-alignment, nor -fno-tree-vectorize,
nor disabling the pattern above.