1/* { dg-do preprocess } */
2/* { dg-options "-nostdinc -P -dU" } */
3/* { dg-final { scan-file cmdlne-dU-22.i "^\n*#undef AAA\n+AAA is undefined\n+#undef BBB\n+BBB is undefined\n+#undef CCC\n+CCC is undefined\n*$" } } */
4#ifndef AAA
5AAA is undefined
6#endif
7
8#ifndef BBB
9BBB is undefined
10#endif
11
12#ifndef CCC
13CCC is undefined
14#endif
15