64     static bool op_run;  member in G
74         op_run = true;  in operator ()()
83         op_run = true;  in operator ()()
88 bool G::op_run = false;  member in G
166         assert(!G::op_run);  in main()
173         assert(G::op_run);  in main()
175     G::op_run = false;  in main()
185             assert(!G::op_run);  in main()
193             assert(!G::op_run);  in main()
200         assert(!G::op_run);  in main()
207         assert(G::op_run);  in main()