matz	2008-01-23 10:20:51 +0900 (Wed, 23 Jan 2008)

  New Revision: 15175

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

  Log:
    * eval_method.c (rb_export_method): set ruby_vm_redefined_flag for
      visibility change as well.  reported by K.Kosako in
      http://d.hatena.ne.jp/kkos/20080122#1201012720.

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/version.h?r1=15175&r2=15174&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/eval_method.c?r1=15175&r2=15174&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15175&r2=15174&diff_format=u