gcc/testsuite/gcc.c-torture/execute/pr55750.c

   1 /* PR middle-end/55750 */
   2
   3 extern void abort (void);
   4
   5 struct S
   6 {
   7   int m : 1;
   8   int n : 7;
   9 } arr[2];
  10
  11 __attribute__((noinline, noclone)) void
  12 foo (unsigned i)
  13 {
  14   arr[i].n++;
  15 }
  16
  17 int
  18 main ()
  19 {
  20   arr[0].m = -1;
  21   arr[0].n = (1 << 6) - 1;
  22   arr[1].m = 0;
  23   arr[1].n = -1;
  24   foo (0);
  25   foo (1);
  26   if (arr[0].m != -1 || arr[0].n != -(1 << 6) || arr[1].m != 0 || arr[1].n != 0)
  27     abort ();
  28   return 0;
  29 }