https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83991
--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #3) > #c0 says that clearly, just use -march=silvermont. > The first dump with these "Invalid sum of" messages is the vect dump. Sorry for overlooking that ;)