mame	2008-07-08 22:57:06 +0900 (Tue, 08 Jul 2008)

  New Revision: 17959

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=17959

  Log:
    * thread.c (rb_enable_coverages): hide coverage array by setting 0 to
      klass during measurement.
    
    * parse.y (coverage, yycompile0): ditto.
    
    * iseq.c (prepare_iseq_build): use rb_hash_lookup instead of
      rb_hash_aref.
    
    * thread.c (rb_coverage_result): restore klass of coverage array and
      return it.
    
    * theaad.c (update_coverage): chcek whether its klass is 0.

  Modified files:
    trunk/ChangeLog
    trunk/iseq.c
    trunk/parse.y
    trunk/thread.c