Issue #615 has been updated by Dave Thomas.
irb(main):001:0> x = "Sample"
=> "Sample"
irb(main):002:0> x.instance_eval do
irb(main):003:1* puts self.class
irb(main):004:1> puts reverse
irb(main):005:1> end
String
elpmaS
----------------------------------------
http://redmine.ruby-lang.org/issues/show/615
----------------------------------------
http://redmine.ruby-lang.org