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Bug #9443

Updated by nobu (Nobuyoshi Nakada) about 10 years ago

I am unsure if this is related to https://bugs.ruby-lang.org/issues/7842 as that issue specifically mentions the user of "super" which my example code does not use. Anyway, here is the test to recreate: 

 ```ruby 
 require 'test/unit' 

 module A 
   def foo 
     'foo2' 
   end 
 end 

 class B 
   def foo 
     'foo1' 
   end 
   alias_method :bar, :foo 
 end 

 B.send(:prepend, A) 

 class AliasTest < Test::Unit::TestCase 
   def test_no_alias 
     assert_equal 'foo2', B.new.foo 
   end 

   def test_with_alias 
     assert_equal 'foo2', B.new.bar 
   end 
 end 
 ``` 

 `test_with_alias` test_with_alias fails and will only call the original "foo" method. 

 I have confirmed this on Ruby 2.0.0-p353 & 2.1.0

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