https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80653
--- Comment #4 from Eric Gallager <egallager at gcc dot gnu.org> --- (In reply to bin cheng from comment #3) > Oh I just applied patch changing warning into missed optimization message, > but yes the issue still exist using -fopt-info-loop-missed. David has been changing -fopt-info-* stuff lately; has that affected this at all?