https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65608 Bug 65608 depends on bug 34724, which changed state.
Bug 34724 Summary: Trouble with friend declaration across namespaces https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34724 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |DUPLICATE
