https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87706
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Jan Hubicka from comment #2) > cow is already dead at profile time (if it would not, we would end up using > the counter). It seems to me that one remove unreachable code pass is > missing. > We used to remove unreachable code after early optimizations. Why we don't > do that anymore? Which pass name was it?