akr f5ea2822e6 refine an assertion message.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-06-24 13:38:34 +00:00
..
2010-06-24 13:38:34 +00:00