Fix defined? expressions
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Fix defined? expressions
should check same name as the used constants.
[ruby-core:72674] [Bug #11940]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53419 b2dd03c8-39d4-4d8f-98ff-823fe69b080e