59 class G  class
66     G() : alive_(1) {++n_alive;}  in G()  function in G
67     G(const G& g) : alive_(g.alive_) {++n_alive;}  in G()  function in G
68     ~G() {alive_ = 0; --n_alive;}  in ~G()
87 int G::n_alive = 0;
88 bool G::op_run = false;
165         assert(G::n_alive == 0);  in main()
166         assert(!G::op_run);  in main()
168             G g;  in main()
172         assert(G::n_alive == 0);  in main()
173         assert(G::op_run);  in main()
175     G::op_run = false;  in main()
184             assert(G::n_alive == 0);  in main()
185             assert(!G::op_run);  in main()
186             std::thread t((G()));  in main()
192             assert(G::n_alive == 0);  in main()
193             assert(!G::op_run);  in main()
199         assert(G::n_alive == 0);  in main()
200         assert(!G::op_run);  in main()
202             G g;  in main()
206         assert(G::n_alive == 0);  in main()
207         assert(G::op_run);  in main()