https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004 Bug 55004 depends on bug 58777, which changed state.
Bug 58777 Summary: Taking address of variant/union member is not always a constant expression https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58777 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED
