https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 80637, which changed state.
Bug 80637 Summary: [CWG2918] constraint on a member function does causes ambigious and not allowing forming a pointer to the function https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80637 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED