1/* u_2.t:   Undefined behaviors on undefined constant expression.   */
2
3/* u.2.1:   Undefined escape sequence.  */
4#if     '\x'
5#endif
6
7/* u.2.2:   Illegal bit shift count.    */
8#if     1 << -1
9#endif
10#if     1 << 64
11#endif
12
13