Add two tests for issue #1467

test/t/module.rb

@@ -481,3 +481,25 @@ assert('Module#inspect') do
 
   assert_equal 'Test4to_sModules', Test4to_sModules.inspect
 end
+
+assert('Issue 1467') do
+  module M1
+    def initialize()
+      super() 
+    end
+  end
+
+  class C1  
+    include M1 
+     def initialize() 
+       super() 
+     end
+  end
+
+  class C2
+    include M1 
+  end
+
+  C1.new
+  C2.new
+end