git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ancestors only when global scope. [ruby-core:39227] [Bug #5264]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@33163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e