1  /* { dg-do compile } */
       2  /* { dg-require-alias "" } */
       3  /* { dg-options "-O2" } */
       4  
       5  const int __new_sys_siglist[] = {};
       6  
       7  extern __typeof(__new_sys_siglist) _new_sys_siglist
       8      __attribute__((alias("__new_sys_siglist")));
       9  extern __typeof(__new_sys_siglist) _sys_siglist
      10      __attribute__((alias("__new_sys_siglist")));
      11  
      12  int main()
      13  {
      14    return 0;
      15  }