https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64099
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW --- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> --- I can confirm a regression of ~7% vs. 4.9 with -Ofast -fwhole-program on x86_64-linux (otherwise default -march/tune). perf isn't too useful (everything is inlined into MAIN__ it seems).