git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@23756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r23549 from trunk into ruby_1_9_1.¶
to Fixnum. [ruby-dev:38533]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@23756 b2dd03c8-39d4-4d8f-98ff-823fe69b080e