In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:15:
In file included from /usr/include/boost/phoenix/core/actor.hpp:17:
In file included from /usr/include/boost/phoenix/core/domain.hpp:12:
In file included from /usr/include/boost/proto/domain.hpp:17:
In file included from /usr/include/boost/proto/generate.hpp:23:
/usr/include/boost/utility/result_of.hpp:79:34: error: implicit instantiation of undefined template 'boost::phoenix::dynamic_cast_eval::result<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>)>'
struct result_of_nested_result : F::template result<FArgs>
                                 ^
/usr/include/boost/utility/result_of.hpp:84:5: note: in instantiation of template class 'boost::detail::result_of_nested_result<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>)>' requested here
  : mpl::if_<is_function_with_no_args<FArgs>,
    ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:24:7: note: in instantiation of template class 'boost::detail::tr1_result_of_impl<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>), false>' requested here
    : mpl::if_<
      ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:81:7: note: in instantiation of template class 'boost::tr1_result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>)>' requested here
    : tr1_result_of<F(BOOST_RESULT_OF_ARGS)> { };
      ^
/usr/include/boost/phoenix/core/detail/preprocessed/call_10.hpp:62:33: note: in instantiation of template class 'boost::result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>)>' requested here
                typename boost::result_of<
                                ^
/usr/include/boost/phoenix/core/call.hpp:61:15: note: in instantiation of template class 'boost::phoenix::detail::call_impl<boost::phoenix::dynamic_cast_eval, const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &, 2>' requested here
            : detail::call_impl<Fun, Expr, State, Data>
              ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: (skipping 16 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::plus, boost::proto::external_transform>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:66:30: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
            typedef typename what::result_type result_type;
                             ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:74:21: note: in instantiation of template class 'boost::phoenix::evaluator::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, const boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, boost::phoenix::default_actions> &,
      int>' requested here
                    impl<
                    ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:204: note: in instantiation of template class
      'boost::phoenix::result_of::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2>, const A *&, const A *&, void, void, void, void, void, void, void,
      void, void>' requested here
  ...typename A0 , typename A1> struct result<This(A0 & , A1 &)> : result_of::actor<proto_base_expr, A0 & , A1 &> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 & , A1 &...
                                                                                                                                                                               ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:246: note: while substituting deduced template arguments into function template 'operator()' [with A0 = const A *, A1 = const A *]
  ...& , A1 &)> : result_of::actor<proto_base_expr, A0 & , A1 &> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 & , A1 &>::type operator()(A0 & a0 , A1 & a1) const { typ...
                                                                                                                                                                        ^
/usr/include/boost/phoenix/object/dynamic_cast.hpp:29:16: note: template is declared here
        struct result;
               ^
In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:15:
In file included from /usr/include/boost/phoenix/core/actor.hpp:17:
In file included from /usr/include/boost/phoenix/core/domain.hpp:12:
In file included from /usr/include/boost/proto/domain.hpp:17:
In file included from /usr/include/boost/proto/generate.hpp:23:
/usr/include/boost/utility/result_of.hpp:79:34: error: implicit instantiation of undefined template 'boost::phoenix::dynamic_cast_eval::result<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>)>'
struct result_of_nested_result : F::template result<FArgs>
                                 ^
/usr/include/boost/utility/result_of.hpp:84:5: note: in instantiation of template class 'boost::detail::result_of_nested_result<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>)>' requested here
  : mpl::if_<is_function_with_no_args<FArgs>,
    ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:24:7: note: in instantiation of template class 'boost::detail::tr1_result_of_impl<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>), false>' requested here
    : mpl::if_<
      ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:81:7: note: in instantiation of template class 'boost::tr1_result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>)>' requested here
    : tr1_result_of<F(BOOST_RESULT_OF_ARGS)> { };
      ^
/usr/include/boost/phoenix/core/detail/preprocessed/call_10.hpp:62:33: note: in instantiation of template class 'boost::result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>)>' requested here
                typename boost::result_of<
                                ^
/usr/include/boost/phoenix/core/call.hpp:61:15: note: in instantiation of template class 'boost::phoenix::detail::call_impl<boost::phoenix::dynamic_cast_eval, const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &, 2>' requested here
            : detail::call_impl<Fun, Expr, State, Data>
              ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: (skipping 16 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::plus, boost::proto::external_transform>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:66:30: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &, const
      boost::phoenix::default_actions &>' requested here
            typedef typename what::result_type result_type;
                             ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:74:21: note: in instantiation of template class 'boost::phoenix::evaluator::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, const boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *const &> &,
      boost::phoenix::default_actions> &, int>' requested here
                    impl<
                    ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:954: note: in instantiation of template class
      'boost::phoenix::result_of::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2>, const A *&, const A *const &, void, void, void, void, void, void,
      void, void, void>' requested here
  ...A0 , typename A1> struct result<This(A0 & , A1 const&)> : result_of::actor<proto_base_expr, A0 & , A1 const&> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 & , A1 ...
                                                                                                                                                                                ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:1001: note: while substituting deduced template arguments into function template 'operator()' [with A0 = const A *, A1 = const A *]
  ...A1 const&)> : result_of::actor<proto_base_expr, A0 & , A1 const&> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 & , A1 const&>::type operator()(A0 & a0 , A1 const...
                                                                                                                                                                                   ^
/usr/include/boost/phoenix/object/dynamic_cast.hpp:29:16: note: template is declared here
        struct result;
               ^
In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:15:
In file included from /usr/include/boost/phoenix/core/actor.hpp:17:
In file included from /usr/include/boost/phoenix/core/domain.hpp:12:
In file included from /usr/include/boost/proto/domain.hpp:17:
In file included from /usr/include/boost/proto/generate.hpp:23:
/usr/include/boost/utility/result_of.hpp:79:34: error: implicit instantiation of undefined template 'boost::phoenix::dynamic_cast_eval::result<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>)>'
struct result_of_nested_result : F::template result<FArgs>
                                 ^
/usr/include/boost/utility/result_of.hpp:84:5: note: in instantiation of template class 'boost::detail::result_of_nested_result<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>)>' requested here
  : mpl::if_<is_function_with_no_args<FArgs>,
    ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:24:7: note: in instantiation of template class 'boost::detail::tr1_result_of_impl<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>), false>' requested here
    : mpl::if_<
      ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:81:7: note: in instantiation of template class 'boost::tr1_result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>)>' requested here
    : tr1_result_of<F(BOOST_RESULT_OF_ARGS)> { };
      ^
/usr/include/boost/phoenix/core/detail/preprocessed/call_10.hpp:62:33: note: in instantiation of template class 'boost::result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>)>' requested here
                typename boost::result_of<
                                ^
/usr/include/boost/phoenix/core/call.hpp:61:15: note: in instantiation of template class 'boost::phoenix::detail::call_impl<boost::phoenix::dynamic_cast_eval, const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &, 2>' requested here
            : detail::call_impl<Fun, Expr, State, Data>
              ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: (skipping 16 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::plus, boost::proto::external_transform>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:66:30: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &, const
      boost::phoenix::default_actions &>' requested here
            typedef typename what::result_type result_type;
                             ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:74:21: note: in instantiation of template class 'boost::phoenix::evaluator::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, const boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *&> &,
      boost::phoenix::default_actions> &, int>' requested here
                    impl<
                    ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:1734: note: in instantiation of template class
      'boost::phoenix::result_of::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2>, const A *const &, const A *&, void, void, void, void, void, void,
      void, void, void>' requested here
  ...A0 , typename A1> struct result<This(A0 const& , A1 &)> : result_of::actor<proto_base_expr, A0 const& , A1 &> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 const& ...
                                                                                                                                                                                ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:1781: note: while substituting deduced template arguments into function template 'operator()' [with A0 = const A *, A1 = const A *]
  ..., A1 &)> : result_of::actor<proto_base_expr, A0 const& , A1 &> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 const& , A1 &>::type operator()(A0 const& a0 , A1 & a1...
                                                                                                                                                                                ^
/usr/include/boost/phoenix/object/dynamic_cast.hpp:29:16: note: template is declared here
        struct result;
               ^
In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:15:
In file included from /usr/include/boost/phoenix/core/actor.hpp:17:
In file included from /usr/include/boost/phoenix/core/domain.hpp:12:
In file included from /usr/include/boost/proto/domain.hpp:17:
In file included from /usr/include/boost/proto/generate.hpp:23:
/usr/include/boost/utility/result_of.hpp:79:34: error: implicit instantiation of undefined template 'boost::phoenix::dynamic_cast_eval::result<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>)>'
struct result_of_nested_result : F::template result<FArgs>
                                 ^
/usr/include/boost/utility/result_of.hpp:84:5: note: in instantiation of template class 'boost::detail::result_of_nested_result<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>)>' requested here
  : mpl::if_<is_function_with_no_args<FArgs>,
    ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:24:7: note: in instantiation of template class 'boost::detail::tr1_result_of_impl<boost::phoenix::dynamic_cast_eval, boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>), false>' requested here
    : mpl::if_<
      ^
/usr/include/boost/utility/detail/result_of_iterate.hpp:81:7: note: in instantiation of template class 'boost::tr1_result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>)>' requested here
    : tr1_result_of<F(BOOST_RESULT_OF_ARGS)> { };
      ^
/usr/include/boost/phoenix/core/detail/preprocessed/call_10.hpp:62:33: note: in instantiation of template class 'boost::result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>)>' requested here
                typename boost::result_of<
                                ^
/usr/include/boost/phoenix/core/call.hpp:61:15: note: in instantiation of template class 'boost::phoenix::detail::call_impl<boost::phoenix::dynamic_cast_eval, const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &, 2>' requested here
            : detail::call_impl<Fun, Expr, State, Data>
              ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: (skipping 16 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::plus, boost::proto::external_transform>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:66:30: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()>::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &, const
      boost::phoenix::default_actions &>' requested here
            typedef typename what::result_type result_type;
                             ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_result_of_10.hpp:74:21: note: in instantiation of template class 'boost::phoenix::evaluator::impl<const
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus, boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> &, const boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *const &, const A *const &> &,
      boost::phoenix::default_actions> &, int>' requested here
                    impl<
                    ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:2524: note: in instantiation of template class
      'boost::phoenix::result_of::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2>, const A *const &, const A *const &, void, void, void, void, void,
      void, void, void, void>' requested here
  ...typename A1> struct result<This(A0 const& , A1 const&)> : result_of::actor<proto_base_expr, A0 const& , A1 const&> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 co...
                                                                                                                                                                                     ^
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:2576: note: while substituting deduced template arguments into function template 'operator()' [with A0 = const A *, A1 = const A *]
  ...: result_of::actor<proto_base_expr, A0 const& , A1 const&> {}; template <typename A0 , typename A1> typename result_of::actor<proto_base_expr, A0 const& , A1 const&>::type operator()(A0 const& a0 , A1 con...
                                                                                                                                                                                 ^
/usr/include/boost/phoenix/object/dynamic_cast.hpp:29:16: note: template is declared here
        struct result;
               ^
In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:15:
In file included from /usr/include/boost/phoenix/core/actor.hpp:19:
In file included from /usr/include/boost/phoenix/core/is_nullary.hpp:15:
In file included from /usr/include/boost/phoenix/core/meta_grammar.hpp:17:
/usr/include/boost/proto/transform/default.hpp:140:9: error: no type named 'result_type' in 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()>::impl<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>'
        BOOST_PROTO_BINARY_DEFAULT_EVAL(+, plus, make, make)
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/boost/proto/transform/default.hpp:100:75: note: expanded from macro 'BOOST_PROTO_BINARY_DEFAULT_EVAL'
                typedef typename Grammar::template impl<e1, State, Data>::result_type r1;           \
                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::detail::default_plus<boost::phoenix::meta_grammar>::impl<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: in instantiation of template class 'boost::proto::switch_<boost::proto::detail::default_cases<boost::phoenix::meta_grammar>,
      boost::proto::tag_of<boost::proto::_> ()>::impl<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::plus, boost::proto::external_transform>::impl<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:131:28: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_> ()>::impl<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
    typename meta_grammar::template impl<
                           ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:136:5: note: while substituting deduced template arguments into function template 'eval' [with Expr =
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >, Context = boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>]
    eval(Expr const& expr, Context const & ctx)
    ^
phoenix_test.cpp:35:19: note: in instantiation of function template specialization 'boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >::operator()<const A *, const A *>' requested here
        std::cout << test(a, b) << std::endl;
                         ^
In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:20:
In file included from /usr/include/boost/phoenix/core/nothing.hpp:13:
In file included from /usr/include/boost/phoenix/core/call.hpp:65:
In file included from /usr/include/boost/phoenix/core/detail/call.hpp:6:
In file included from /usr/include/boost/phoenix/core/detail/preprocessed/call.hpp:12:
/usr/include/boost/phoenix/core/detail/preprocessed/call_10.hpp:64:20: error: no type named 'type' in 'boost::result_of<boost::phoenix::dynamic_cast_eval
      (boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>)>'
                >::type
                ~~~^~~~
/usr/include/boost/phoenix/core/call.hpp:61:15: note: in instantiation of template class 'boost::phoenix::detail::call_impl<boost::phoenix::dynamic_cast_eval,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &, 2>' requested here
            : detail::call_impl<Fun, Expr, State, Data>
              ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: in instantiation of template class 'boost::phoenix::call<boost::phoenix::dynamic_cast_eval,
      void>::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:834:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::dynamic_cast_,
      boost::proto::external_transform>::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:66:30: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_>
      ()>::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>, boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal,
      boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >, boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
            typedef typename what::result_type result_type;
                             ^
/usr/include/boost/phoenix/operator/preprocessed/member_10.hpp:40:41: note: in instantiation of template class
      'boost::phoenix::evaluator::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::phoenix::vector2<boost::phoenix::vector3<const boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>, int>' requested here
            typedef typename evaluator::impl< A0 , Context , int >::result_type child0; typedef typename evaluator::impl< A1 , Context , int >::result_type child1;
                                        ^
/usr/include/boost/phoenix/operator/preprocessed/member_10.hpp:219:15: note: (skipping 11 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all)
            : result_of::mem_fun_ptr_eval<Context, A0 , A1>
              ^
/usr/include/boost/proto/transform/when.hpp:127:13: note: in instantiation of template class 'boost::proto::switch_<boost::proto::detail::default_cases<boost::phoenix::meta_grammar>,
      boost::proto::tag_of<boost::proto::_> ()>::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Data::template when<Grammar>::template impl<Expr, State, Data &>
            ^
/usr/include/boost/proto/matches.hpp:839:13: note: in instantiation of template class 'boost::proto::when<boost::phoenix::rule::plus,
      boost::proto::external_transform>::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
          : Cases::template case_<typename Expr::proto_tag>::template impl<Expr &, State, Data>
            ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:144:28: note: in instantiation of template class 'boost::proto::switch_<boost::phoenix::meta_grammar, boost::proto::tag_of<boost::proto::_>
      ()>::impl<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > &, boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>' requested here
    typename meta_grammar::template impl<
                           ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:149:5: note: while substituting deduced template arguments into function template 'eval' [with Expr =
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >, Context = boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>]
    eval(Expr & expr, Context const & ctx)
    ^
phoenix_test.cpp:35:19: note: in instantiation of function template specialization 'boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >::operator()<const A *, const A *>' requested here
        std::cout << test(a, b) << std::endl;
                         ^
In file included from phoenix_test.cpp:1:
In file included from /usr/include/boost/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/phoenix.hpp:11:
In file included from /usr/include/boost/phoenix/core.hpp:15:
In file included from /usr/include/boost/phoenix/core/actor.hpp:272:
In file included from /usr/include/boost/phoenix/core/detail/actor_operator.hpp:8:
In file included from /usr/include/boost/phoenix/core/detail/preprocessed/actor_operator.hpp:12:
/usr/include/boost/phoenix/core/detail/preprocessed/actor_operator_10.hpp:31:683: error: no matching function for call to 'eval'
  ...A0 & , A1 &>::type operator()(A0 & a0 , A1 & a1) { typedef vector3< const actor<Expr> *, A0 & , A1 & > env_type; env_type env = {this, a0 , a1}; return phoenix::eval(*this, phoenix::context(env, default_a...
                                                                                                                                                             ^~~~~~~~~~~~~
phoenix_test.cpp:35:19: note: in instantiation of function template specialization 'boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >::operator()<const A *, const A *>' requested here
        std::cout << test(a, b) << std::endl;
                         ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:136:5: note: candidate template ignored: substitution failure [with Expr = boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >, Context = boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>]
    eval(Expr const& expr, Context const & ctx)
    ^
/usr/include/boost/phoenix/core/meta_grammar.hpp:149:5: note: candidate template ignored: substitution failure [with Expr = boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> >, Context = boost::phoenix::vector2<boost::phoenix::vector3<const
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::plus,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<1> >, 0> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (A::*)() const>, 0> >, 2> >,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::mem_fun_ptr,
      boost::proto::argsns_::list2<boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::tag::dynamic_cast_,
      boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::target<const B *> >, 0>,
      boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::argument<2> >, 0> > >, 2> >,
      boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<int (B::*)() const>, 0> >, 2> > >, 2> > *, const A *&, const A *&> &, const boost::phoenix::default_actions
      &>]
    eval(Expr & expr, Context const & ctx)
    ^
7 errors generated.