[Bug middle-end/93505] [8/9 Regression] wrong code or ICE with __builtin_bswap64() and rotation at -Og

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93505

--- Comment #18 from Segher Boessenkool <segher at gcc dot gnu.org> ---
PR93512 is marked as enhancement, but if we don't fix this it is a regression.