https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121649
--- Comment #3 from ktkachov at gcc dot gnu.org --- r16-2382-gf87b632f98dc6d5cf8ed75d57d15adb8d7ffea6e only refactored the backend RTX costs slightly, it seems that it exposed another bug elsewhere, in CSE or RTL folding perhaps?
