https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 65335, which changed state.
Bug 65335 Summary: Potential optimization issue with 'tree-loop-vectorize' https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65335 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED