/* u_2.c:   Undefined behaviors on undefined constant expression.   */

/* u.2.1:   Undefined escape sequence.  */

#if     '\x'

#endif

/* u.2.2:   Illegal bit shift count.    */

#if     1 << -1

#endif

#if     1 << 64

#endif

main( void)

{

    return  0;

}