https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90823
--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> --- We can now remove most or all of the uses of -mpower9-vector and the like from the testsuite, since we now have -mdejagnu-cpu=. And then we can start to make -mpower9-vector not do anything.