gcc/testsuite/gcc.c-torture/execute/20040625-1.c

   1 /* From PR target/16176 */
   2 void abort (void);
   3 void exit (int);
   4
   5 struct __attribute__ ((packed)) s { struct s *next; };
   6
   7 struct s * __attribute__ ((noinline))
   8 maybe_next (struct s *s, int t)
   9 {
  10   if (t)
  11     s = s->next;
  12   return s;
  13 }
  14
  15 int main ()
  16 {
  17   struct s s1, s2;
  18
  19   s1.next = &s2;
  20   if (maybe_next (&s1, 1) != &s2)
  21     abort ();
  22   exit (0);
  23 }