1  /* PR middle-end/100680 */
       2  /* { dg-do compile { target size32plus } } */
       3  /* { dg-options "-O2 -Wstringop-overread" } */
       4  
       5  struct s {
       6    char a[8];
       7    int i;
       8    long l;
       9  };
      10  
      11  extern char ea[8];
      12  static char sa[8] = { 1, 2, 3, 4 };
      13  
      14  int
      15  test (void)
      16  {
      17    const struct s *ps = (const struct s *) 0x12345678L;
      18    if (__builtin_memcmp (ps->a, ps->a, 8))
      19      return 0;
      20  
      21    if (__builtin_memcmp (ps->a, ea, 8))		/* { dg-bogus "exceeds source size 0" } */
      22      return 0;
      23  
      24    if (__builtin_memcmp (ps->a, sa, 8))		/* { dg-bogus "exceeds source size 0" } */
      25      return 0;
      26  
      27    if (__builtin_memcmp (ps->a, "abcdABCD", 8))	/* { dg-bogus "exceeds source size 0" } */
      28      return 0;
      29  
      30    return 1;
      31  }