git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30265 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r29885 from trunk into ruby_1_9_2.¶
frames. [ruby-core:33289]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30265 b2dd03c8-39d4-4d8f-98ff-823fe69b080e