gcc/testsuite/gcc.dg/torture/pr88223.c

   1 /* { dg-do run } */
   2
   3 extern void *memmove(void *, const void *, __SIZE_TYPE__);
   4 extern void abort(void);
   5
   6 extern int
   7 main(void)
   8 {
   9  char s[] = "12345";
  10  memmove(s + 1, s, 4);
  11  memmove(s + 1, s, 4);
  12  memmove(s + 1, s, 4);
  13  if (s[0] != '1' || s[1] != '1' || s[2] != '1' || s[3] != '1' || s[4] != '2')
  14    abort ();
  15  return (0);
  16 }