https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65492
--- Comment #3 from Allan Jensen <linux at carewolf dot com> --- The -O3 regression seems to go back a long way, but has become lesser over time. With gcc 4.6 and older it runs at 3.1s with -O3, and still at 1.8s with -O2.
