/* n_3.c:   Handling of comment.    */

/* 3.1: A comment is converted to one space.    */

/*  abc de  */

    abc/* comment */de

/* 3.2: // is not a comment of C.   */

#if 0   /* This feature is obsolete now.  */

/*  // is not a comment of C    */

    // is not a comment of C

#endif

/* 3.3: Comment is parsed prior to the parsing of preprocessing directive.  */

/*  abcd    */

#if     0

    "nonsence"; /*

#else

    still in

    comment     */

#else

#define MACRO_abcd  /*

    in comment

    */  abcd

#endif

    MACRO_abcd

/* { dg-do preprocess }

   { dg-options "-ansi -w" }

   { dg-final { if ![file exist n_3.i] { return }                       } }

   { dg-final { if \{ [grep n_3.i "abc de"] != ""               \} \{   } }

   { dg-final { if \{ [grep n_3.i "abcd"] != ""                 \} \{   } }

   { dg-final { return \} \}                                            } }

   { dg-final { fail "n_3.c: handling of comments"                      } }

 */