https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 86504, which changed state.
Bug 86504 Summary: vectorization failure for a nest loop https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86504 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED