28         std::future<T> f0 = p.get_future();  in main()  local
29         static_assert( noexcept(f0.share()), "");  in main()
30         std::shared_future<T> f = f0.share();  in main()
31         assert(!f0.valid());  in main()
36         std::future<T> f0;  in main()  local
37         static_assert( noexcept(f0.share()), "");  in main()
38         std::shared_future<T> f = f0.share();  in main()
39         assert(!f0.valid());  in main()
45         std::future<T> f0 = p.get_future();  in main()  local
46         static_assert( noexcept(f0.share()), "");  in main()
47         std::shared_future<T> f = f0.share();  in main()
48         assert(!f0.valid());  in main()
53         std::future<T> f0;  in main()  local
54         static_assert( noexcept(f0.share()), "");  in main()
55         std::shared_future<T> f = f0.share();  in main()
56         assert(!f0.valid());  in main()
62         std::future<T> f0 = p.get_future();  in main()  local
63         static_assert( noexcept(f0.share()), "");  in main()
64         std::shared_future<T> f = f0.share();  in main()
65         assert(!f0.valid());  in main()
70         std::future<T> f0;  in main()  local
71         static_assert( noexcept(f0.share()), "");  in main()
72         std::shared_future<T> f = f0.share();  in main()
73         assert(!f0.valid());  in main()