1  /* { dg-do preprocess } */
       2  /* { dg-options "-nostdinc -P -dU" } */
       3  /* { dg-final { scan-file cmdlne-dU-10.i "^\n*C\n+#define B C\n+#define A B\n*$" } } */
       4  /* This file deliberately has no final newline.  */
       5  #define A B
       6  #define B C
       7  A