1  /* Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.  */
       2  
       3  /* { dg-do preprocess } */
       4  /* { dg-options "-C" } */
       5  
       6  /* This tests that C++ comments are either dropped, or converted to C
       7     comments in macro expansions.  The + in the regexp stops it from
       8     matching itself 8-)
       9  
      10     Neil Booth, 9 Oct 2001.  */
      11  
      12  #define ZERO 0 // A comment
      13  
      14  ZERO:
      15  
      16  /* { dg-final { scan-file-not cmdlne-C2.i "c+omment:" } } */
      17