https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 21465, which changed state.
Bug 21465 Summary: autovectorisation conflicts with -ffast-math https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21465 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED