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
       5  AAA is undefined
       6  #endif
       7  
       8  #ifndef BBB
       9  BBB is undefined
      10  #endif
      11  
      12  #ifndef CCC
      13  CCC is undefined
      14  #endif