got in with the change set from https://github.com/jruby/jruby/issues/4101 ([details](https://github.com/jruby/jruby/issues/4101#issuecomment-243737644) also there) ... already fixed on master with: https://github.com/jruby/jruby/commit/0355763b6c06665785a31b78082f22e1923c2de5
