https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 102786, which changed state.
Bug 102786 Summary: [c++20] virtual pmf sometimes rejected as not a constant https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102786 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED