https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 60245, which changed state.
Bug 60245 Summary: function with using defined parameter not accepted as constexpr parameter https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60245 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED
