1/* { dg-do preprocess } */
2/* { dg-options "-P -dU" } */
3/* { dg-final { scan-file cmdlne-dU-21.i "^\n*hello There\n+#define ASTRING There\n+#define MACROARGS\\(A\\) A\n+#undef BSTRING\n*$" } } */
4#define ASTRING There
5#define MACROARGS(A) A
6MACROARGS(hello) ASTRING
7#ifdef BSTRING
8bye
9#endif
10