Constant resolution across rubies

const_resolution.rb

class TopLevel
  module Constants
    HelloWorld = "Hello, World!"
    def self.hello_world
      puts HelloWorld
    end
  end
end

TopLevel::Constants.class_eval do
  def self.new_hello_world
    puts HelloWorld
  end
end

TopLevel::Constants.hello_world
TopLevel::Constants.new_hello_world

=begin
phiggins@gibson:/tmp$ ruby -v const_resolution.rb 
ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux]
Hello, World!
Hello, World!

phiggins@gibson:/tmp$ ruby -v const_resolution.rb 
ruby 1.8.7 (2010-08-16 patchlevel 302) [x86_64-linux]
Hello, World!
const_resolution.rb:12:in `new_hello_world': uninitialized constant HelloWorld (NameError)
        from const_resolution.rb:17

phiggins@gibson:/tmp$ ruby -v const_resolution.rb 
jruby 1.5.5 (ruby 1.8.7 patchlevel 249) (2010-11-10 4bd4200) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_22) [amd64-java]
Hello, World!
const_resolution.rb:12:in `new_hello_world': uninitialized constant HelloWorld (NameError)
        from const_resolution.rb:17

phiggins@gibson:/tmp$ ruby --1.9 -v const_resolution.rb 
jruby 1.5.5 (ruby 1.9.2dev trunk 24787) (2010-11-10 4bd4200) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_22) [amd64-java]
Hello, World!
const_resolution.rb:12:in `new_hello_world': uninitialized constant HelloWorld (NameError)
        from const_resolution.rb:17
=end