libgomp/testsuite/libgomp.c-c++-common/pr106981.c

   1 /* PR c/106981 */
   2
   3 int
   4 main ()
   5 {
   6   int a[0x101];
   7   unsigned int b = 0x100;
   8   if ((unsigned char) b || (unsigned short) b != 0x100)
   9     return 0;
  10   a[0] = 0;
  11   a[0x100] = 42;
  12   #pragma omp atomic update
  13   a[(unsigned char) b] = a[(unsigned short) b] + a[(unsigned char) b];
  14   #pragma omp atomic update
  15   a[(unsigned char) b] = a[(unsigned char) b] + a[(unsigned short) b];
  16   if (a[0] != 84 || a[0x100] != 42)
  17     __builtin_abort ();
  18   return 0;
  19 }