1  /* PR middle-end/92014 - bogus warning: writing 8 bytes into a region
       2     of size 1 in timezone/zic.c
       3     { dg-do compile }
       4     { dg-options "-O2 -Wall" } */
       5  
       6  struct
       7  {
       8    char *s1, *s2;
       9    char c;
      10  } z;
      11  
      12  
      13  void f (char **a, int i, int j)
      14  {
      15    char * cp = __builtin_strchr (a[i], '%');
      16  
      17    if (cp && *++cp != 's')
      18      return;
      19  
      20    z.s1 = __builtin_strdup (a[i]);
      21    if (!z.s1) __builtin_abort ();
      22  
      23    z.s2 = __builtin_strdup (a[j]);
      24    if (!z.s2) __builtin_abort ();
      25  
      26    z.c = cp ? *cp : '\0';    // { dg-bogus "\\\[-Wstringop-overflow" }
      27  }