https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 95839, which changed state.
Bug 95839 Summary: Failure to optimize addition of vector elements to vector addition https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95839 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED