gcc/testsuite/gcc.dg/pr97725.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 int a;
   5 unsigned b;
   6
   7 int main() {
   8   if (a) {
   9     goto L1;
  10     while (1)
  11       while (1) {
  12         long e = -1L, g;
  13         int f, h, i;
  14       L1:
  15         a = f;
  16       L2:
  17         g = e;
  18         f = h || g;
  19         e = ~(f & b);
  20         if (i || g < -1L) {
  21           ~(g || 0);
  22           break;
  23         }
  24         goto L2;
  25       }
  26   }
  27   return 0;
  28 }