https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115990
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- https://inbox.sourceware.org/gcc/alpine.lnx.2.00.1005061613520.1...@zhemvz.fhfr.qr/ is the original discussion about adding -Ofast.
