1  /* PR other/81345 - -Wall resets -Wstringop-overflow to 1 from the default 2
       2     { dg-do compile }
       3     { dg-options "-O2 -Wall -Wno-array-bounds" } */
       4  
       5  char a[3];
       6  
       7  void f (const char *s)
       8  {
       9    __builtin_strncpy (a, s, sizeof a + 1);   /* { dg-warning "\\\[-Wstringop-overflow=]" } */
      10  }
      11  
      12  struct S { char a[3]; int i; };
      13  
      14  void g (struct S *d, const char *s)
      15  {
      16    __builtin_strncpy (d->a, s, sizeof d->a + 1);   /* { dg-warning "\\\[-Wstringop-overflow=]" } */
      17  }