1  /* PR middle-end/79221 - missing -Wstringop-overflow= on a strcat overflow
       2     { dg-do compile }
       3     { dg-options "-O2 -Wall" } */
       4  
       5  extern char* strcat (char*, const char*);
       6  
       7  char d[3];
       8  
       9  void f (int i)
      10  {
      11    const char *s = i < 0 ? "01234567" : "89abcd";
      12    strcat (d, s);    // { dg-warning "'strcat' writing between 7 and 9 bytes into a region of size 3" } */
      13  }
      14  
      15  
      16  void g (int i)
      17  {
      18    const char *s = i < 0 ? "12345678" : "87654321";
      19    strcat (d, s);    // { dg-warning "\\\[-Warray-bounds|-Wstringop-overflow" }
      20  }