// PR c++/66254 // { dg-do compile { target c++11 } } namespace boost { namespace http { enum class read_state { empty }; template class basic_socket { public: http::read_state read_state() const; void async_read_request(); private: http::read_state istate; }; template read_state basic_socket::read_state() const { return istate; } template void basic_socket::async_read_request() { read_state::empty; } } // namespace boost } // namespace http