https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19721 Bug 19721 depends on bug 19790, which changed state.
Bug 19790 Summary: equality not noticed when signedness differs. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19790 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED