https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117492
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Sam James from comment #1) > I don't think we have any folding for patterns into these yet so can't make > it a regression. We do fold sometimes into LROTATE_EXPR and RROTATE_EXPR but this is all undefined code but only if is well defined. This is undefined in this case.
