1 /* PR c++/26943 */
2 /* { dg-do run } */
3
4 extern int omp_set_dynamic (int);
5 extern int omp_get_thread_num (void);
6 extern void abort (void);
7
8 int a = 8, b = 12, c = 16, d = 20, j = 0, l = 0;
9 char e[10] = "a", f[10] = "b", g[10] = "c", h[10] = "d";
10 volatile int k;
11
12 int
main(void)13 main (void)
14 {
15 int i;
16 omp_set_dynamic (0);
17 omp_set_nested (1);
18 #pragma omp parallel num_threads (2) reduction (+:l)
19 if (k == omp_get_thread_num ())
20 {
21 #pragma omp parallel for shared (a, e) firstprivate (b, f) \
22 lastprivate (c, g) private (d, h) \
23 schedule (static, 1) num_threads (4) \
24 reduction (+:j)
25 for (i = 0; i < 4; i++)
26 {
27 if (a != 8 || b != 12 || e[0] != 'a' || f[0] != 'b')
28 j++;
29 #pragma omp barrier
30 #pragma omp atomic
31 a += i;
32 b += i;
33 c = i;
34 d = i;
35 #pragma omp atomic
36 e[0] += i;
37 f[0] += i;
38 g[0] = 'g' + i;
39 h[0] = 'h' + i;
40 #pragma omp barrier
41 if (a != 8 + 6 || b != 12 + i || c != i || d != i)
42 j += 8;
43 if (e[0] != 'a' + 6 || f[0] != 'b' + i || g[0] != 'g' + i)
44 j += 64;
45 if (h[0] != 'h' + i)
46 j += 512;
47 }
48 if (j || a != 8 + 6 || b != 12 || c != 3 || d != 20)
49 ++l;
50 if (e[0] != 'a' + 6 || f[0] != 'b' || g[0] != 'g' + 3 || h[0] != 'd')
51 l += 8;
52 }
53 if (l)
54 abort ();
55 return 0;
56 }
57