matz	2008-06-13 13:02:36 +0900 (Fri, 13 Jun 2008)

  New Revision: 17137

  Modified files:
    trunk/ChangeLog
    trunk/enum.c
    trunk/version.h

  Log:
    * enum.c (sort_by_i): use NODE_DOT2 instead of NODE_MEMO to avoid
      extra calls to is_pointer_to_heap() in GC.
    
    * enum.c (enum_zip): ditto.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/version.h?r1=17137&r2=17136&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=17137&r2=17136&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/enum.c?r1=17137&r2=17136&diff_format=u