| // { dg-do run } | |
| // { dg-options "-O2" } | |
| extern void abort (); | |
| struct S { int x; } a[10]; | |
| struct S *b; | |
| int | |
| main () | |
| { | |
| int i, j = 0; | |
| struct S *q = a; | |
| for (i = 100; --i > 0; ) | |
| { | |
| struct S *p; | |
| j++; | |
| if (j >= 10) | |
| j = 0; | |
| p = &a[j]; | |
| if (p == q) | |
| abort (); | |
| __atomic_thread_fence (__ATOMIC_SEQ_CST); | |
| q = p; | |
| } | |
| return 0; | |
| } |