gcc/testsuite/gcc.dg/torture/pr104543.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-floop-unroll-and-jam" } */
   3
   4 int a[3], b, c;
   5 static int e()
   6 {
   7   if (!c) {
   8     for (b = 0; b < 3; b++)
   9       for (c = 0; c < 3; c++)
  10         a[c] ^= 1;
  11     return -1;
  12   }
  13   return 0;
  14 }
  15 int main()
  16 {
  17   e();
  18   if (a[1] != 1)
  19     __builtin_abort();
  20   return 0;
  21 }