Allow a SortedSet to be frozen and still functional [Bug #12091]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Allow a SortedSet to be frozen and still functional [Bug #12091]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e