no clearing method cache
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
no clearing method cache
cache if no arguments.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40923 b2dd03c8-39d4-4d8f-98ff-823fe69b080e