gcc/testsuite/gcc.dg/torture/ssa-fre-2.c

   1 /* { dg-do run } */
   2
   3 int x;
   4 int main()
   5 {
   6   int i = 0;
   7   x = 0;
   8   if (x)
   9     {
  10       for (; i < 10; ++i)
  11         {
  12 doit:
  13           x = i;
  14         }
  15     }
  16   if (!x)
  17     goto doit;
  18   if (x != 9)
  19     __builtin_abort ();
  20   return 0;
  21 }