https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90273
--- Comment #22 from Jan Hubicka <hubicka at gcc dot gnu.org> --- gcc 8 with debug info real 45m49.664s user 500m1.776s sys 22m39.816s llvm 7 with debug info real 43m43.798s user 447m36.028s sys 10m13.512s
