25     std::reference_wrapper<int> ri(i);  in test()  local
26     std::reference_wrapper<std::reference_wrapper<int> > rri(ri);  in test()
29     assert(&rrj.get() == &ri);  in test()
33     std::reference_wrapper<int> ri(i);  in test()  local
34     std::reference_wrapper<const std::reference_wrapper<int> > rri(ri);  in test()
37     assert(&rrj.get() == &ri);  in test()
41     std::reference_wrapper<int> ri(i);  in test()  local
42     std::reference_wrapper<std::reference_wrapper<int> > rri(ri);  in test()
45     assert(&rrj.get() == &ri);  in test()
49     std::reference_wrapper<int> ri(i);  in test()  local
50     std::reference_wrapper<const std::reference_wrapper<int> > rri(ri);  in test()
53     assert(&rrj.get() == &ri);  in test()