24         std::atomic_flag f;  in main()  local
25         f.clear();  in main()
26         assert(f.test_and_set() == 0);  in main()
27         assert(f.test_and_set() == 1);  in main()
30         std::atomic_flag f;  in main()  local
31         f.clear();  in main()
32         assert(f.test_and_set(std::memory_order_relaxed) == 0);  in main()
33         assert(f.test_and_set(std::memory_order_relaxed) == 1);  in main()
36         std::atomic_flag f;  in main()  local
37         f.clear();  in main()
38         assert(f.test_and_set(std::memory_order_consume) == 0);  in main()
39         assert(f.test_and_set(std::memory_order_consume) == 1);  in main()
42         std::atomic_flag f;  in main()  local
43         f.clear();  in main()
44         assert(f.test_and_set(std::memory_order_acquire) == 0);  in main()
45         assert(f.test_and_set(std::memory_order_acquire) == 1);  in main()
48         std::atomic_flag f;  in main()  local
49         f.clear();  in main()
50         assert(f.test_and_set(std::memory_order_release) == 0);  in main()
51         assert(f.test_and_set(std::memory_order_release) == 1);  in main()
54         std::atomic_flag f;  in main()  local
55         f.clear();  in main()
56         assert(f.test_and_set(std::memory_order_acq_rel) == 0);  in main()
57         assert(f.test_and_set(std::memory_order_acq_rel) == 1);  in main()
60         std::atomic_flag f;  in main()  local
61         f.clear();  in main()
62         assert(f.test_and_set(std::memory_order_seq_cst) == 0);  in main()
63         assert(f.test_and_set(std::memory_order_seq_cst) == 1);  in main()
66         volatile std::atomic_flag f;  in main()  local
67         f.clear();  in main()
68         assert(f.test_and_set() == 0);  in main()
69         assert(f.test_and_set() == 1);  in main()
72         volatile std::atomic_flag f;  in main()  local
73         f.clear();  in main()
74         assert(f.test_and_set(std::memory_order_relaxed) == 0);  in main()
75         assert(f.test_and_set(std::memory_order_relaxed) == 1);  in main()
78         volatile std::atomic_flag f;  in main()  local
79         f.clear();  in main()
80         assert(f.test_and_set(std::memory_order_consume) == 0);  in main()
81         assert(f.test_and_set(std::memory_order_consume) == 1);  in main()
84         volatile std::atomic_flag f;  in main()  local
85         f.clear();  in main()
86         assert(f.test_and_set(std::memory_order_acquire) == 0);  in main()
87         assert(f.test_and_set(std::memory_order_acquire) == 1);  in main()
90         volatile std::atomic_flag f;  in main()  local
91         f.clear();  in main()
92         assert(f.test_and_set(std::memory_order_release) == 0);  in main()
93         assert(f.test_and_set(std::memory_order_release) == 1);  in main()
96         volatile std::atomic_flag f;  in main()  local
97         f.clear();  in main()
98         assert(f.test_and_set(std::memory_order_acq_rel) == 0);  in main()
99         assert(f.test_and_set(std::memory_order_acq_rel) == 1);  in main()
102         volatile std::atomic_flag f;  in main()  local
103         f.clear();  in main()
104         assert(f.test_and_set(std::memory_order_seq_cst) == 0);  in main()
105         assert(f.test_and_set(std::memory_order_seq_cst) == 1);  in main()