gcc/testsuite/gcc.c-torture/execute/pr58209.c

   1 /* PR tree-optimization/58209 */
   2
   3 extern void abort (void);
   4 typedef __INTPTR_TYPE__ T;
   5 T buf[1024];
   6
   7 T *
   8 foo (T n)
   9 {
  10   if (n == 0)
  11     return (T *) buf;
  12   T s = (T) foo (n - 1);
  13   return (T *) (s + sizeof (T));
  14 }
  15
  16 T *
  17 bar (T n)
  18 {
  19   if (n == 0)
  20     return buf;
  21   return foo (n - 1) + 1;
  22 }
  23
  24 int
  25 main ()
  26 {
  27   int i;
  28   for (i = 0; i < 27; i++)
  29     if (foo (i) != buf + i || bar (i) != buf + i)
  30       abort ();
  31   return 0;
  32 }