https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 115866, which changed state.
Bug 115866 Summary: missed optimization vectorizing switch statements. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115866 What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |RESOLVED Resolution|--- |FIXED
