https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 104565, which changed state.
Bug 104565 Summary: [10 Regression] constexpr template goes wrong with class and call to constexpr method https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104565 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED