https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491 Bug 67491 depends on bug 77595, which changed state.
Bug 77595 Summary: concepts: constrained member functions illegally instantiated during explicit class template instantiation https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77595 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |DUPLICATE
