https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90851
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #1) > Already known. > > *** This bug has been marked as a duplicate of bug 80272 *** That's a FE issue. Yes, we're not doing optimal code generation but the STV target issue is real as well.