https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 57694, which changed state.
Bug 57694 Summary: [c++11] constexpr constructor does not work with const address of own member https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57694 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED