[ruby-core:26103] Class variable bug?

module Foo1
  module Bar1
    def self.stuff
      @@stuff ||= []
    end
  end
end

module Foo2
  module Bar2
  end

  class << Bar2
    def stuff
      @@stuff ||= []
    end
  end
end

Foo1::Bar1.stuff << 1
p Foo1::Bar1.stuff

Foo2::Bar2.stuff << 1
p Foo2::Bar2.stuff


In 1.8:
[1]
[1]

In 1.9:
[1]
[]

Is this a bug?

-- 
Yehuda Katz
Developer | Engine Yard
(ph) 718.877.1325