Bug #4378: 1.9.2???Class?????????????clone?????????????????????
http://redmine.ruby-lang.org/issues/show/4378

ɼ???: yasuo tone
?????????: Open, ?????: Normal
ruby -v: ruby 1.9.2p136 (2010-12-25 revision 30365) [x86_64-linux]

以??????????????????????????
1.9.2?????????trunc?????????????????1.9.1???1.8.7??????????????????

foo = Class.new
def foo.foo() end
bar = foo.clone
bar.instance_eval {}
bar.foo               #=> NoMethodError

?? instance_eval ?????????? bar.foo ???????????????????????????

instance_eval??轡????????

def bar.bar() end

?????????????????義????????????????????????

class << bar; end

??空??????????????????????????????????籡?????????????????


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