gcc/testsuite/gcc.dg/pr112939.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -ftrivial-auto-var-init=zero" } */
   3
   4 int i;
   5
   6 void f (void)
   7 {
   8   for (;;)
   9   {
  10     if (0)
  11       for (;;)
  12       {
  13         int *a;
  14         int *b = a;
  15
  16  l1:
  17         *b = (*b != 0) ? 0 : 2;
  18       }
  19
  20     if (i != 0)
  21       goto l1;
  22   }
  23 }