https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 68487, which changed state.
Bug 68487 Summary: [concepts] bad "invalid reference to variadic concept" error https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68487 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED
