https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 67860, which changed state.
Bug 67860 Summary: [concepts] bug with overloaded, refined function with explicit and variadic template arguments https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67860 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED