rbs/test: stack level too deep when calling super from prepend about rbs HOT 1 OPEN

# test-attach.rb
class TestAttach
  def attach
    puts "attach 2"
  end

  module RegisterAttach
    def attach
      puts "attach 1"
      super
    end
  end
  prepend RegisterAttach

  # append by hook
  def with_attach
    send(:without_attach)
  end
  alias without_attach attach
  alias attach with_attach
end

TestAttach.new.attach