https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115533
--- Comment #20 from Alexander Monakov <amonakov at gcc dot gnu.org> --- Sam, can you provide more context? It seems there is no downstream bugreport? How does the alleged miscompilation manifest? Note that effects of interplay of fp-contract=fast and vectorization can be pretty epic, like the completely wrong strong green tint of blur filter in RawTherapee (see screenshot at https://github.com/Beep6581/RawTherapee/issues/6384 which was minimized and reported as our PR 106902).