https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 66051, which changed state.
Bug 66051 Summary: can't vectorize reductions inside an SLP group https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66051 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED