gcc/testsuite/gcc.c-torture/execute/pr47925.c

   1 struct s { volatile struct s *next; };
   2
   3 void __attribute__((noinline))
   4 bar (int ignored, int n)
   5 {
   6   asm volatile ("");
   7 }
   8
   9 int __attribute__((noinline))
  10 foo (volatile struct s *ptr, int n)
  11 {
  12   int i;
  13
  14   bar (0, n);
  15   for (i = 0; i < n; i++)
  16     ptr = ptr->next;
  17 }
  18
  19 int main (void)
  20 {
  21   volatile struct s rec = { &rec };
  22   foo (&rec, 10);
  23   return 0;
  24 }