https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107430 Bug 107430 depends on bug 110680, which changed state.
Bug 110680 Summary: erroneous error "non-template type 'C' used as a template" https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110680 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED