gcc/testsuite/c-c++-common/gomp/requires-7.c

   1 #pragma omp requires atomic_default_mem_order(release)
   2
   3 int
   4 foo (int x)
   5 {
   6   int z;
   7
   8   #pragma omp atomic read /* { dg-error "'#pragma omp atomic read' incompatible with 'release' clause implicitly provided by a 'requires' directive" } */
   9     z = x;
  10   return z;
  11 }