jruby/jruby — pull request #613 by berdario (2013-03-28 22:32:23+00:00)
Title: Ruby 2.0 caller API

https://github.com/jruby/jruby/issues/569

I'm not sure how to test this... it seems there're no unit test for caller in org.jruby.test.TestKernel and the rubyspec doesn't implement 2.0 semantics