oech3 [1] filed a deletion request for gcc-fast-optimized [2]: -O3 and local cpu tuning should be part of your makepkg.conf . AUR cannot host -optimized for all packages pn AUR.
[1] https://aur.archlinux.org/account/oech3/ [2] https://aur.archlinux.org/pkgbase/gcc-fast-optimized/
