gcc/testsuite/gcc.dg/torture/pr111137.c

   1 /* { dg-do run } */
   2
   3 int b[3][8];
   4 short d;
   5 volatile int t = 1;
   6
   7 void __attribute__((noipa))
   8 foo()
   9 {
  10   int  g = t;
  11   for (int e = 1; e >= 0; e--)
  12     {
  13       d = 1;
  14       for (; d >= 0; d--)
  15         {
  16           b[0][d * 2 + 1] = 0;
  17           b[g - 1 + d][0] ^= 1;
  18           b[0][d * 2 + 2] = 0;
  19           b[g - 1 + d][1] ^= 1;
  20         }
  21     }
  22 }
  23
  24 int
  25 main()
  26 {
  27   foo ();
  28   if (b[0][1] != 1)
  29     __builtin_abort();
  30 }