Unused module refinement shouldn't break method search.

Use rb_callable_method_entry_t::defined_class instead of
rb_callable_method_entry_t::owner, because the superclass of iclass
should be searched for modules. [ruby-core:83613] [Bug #14068]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 26 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 5fba208fb7..2386b54dec 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -2010,6 +2010,32 @@ class TestRefinement < Test::Unit::TestCase
     assert_equal(:foo, ToSymbol.new("foo").symbol)
   end
 
+  def test_unused_refinement_for_module
+    bug14068 = '[ruby-core:83613] [Bug #14068]'
+    assert_in_out_err([], <<-INPUT, ["M1#foo"], [], bug14068)
+      module M1
+        def foo
+          puts "M1#foo"
+        end
+      end
+      
+      module M2
+      end
+      
+      module UnusedRefinement
+        refine(M2) do
+          def foo
+            puts "M2#foo"
+          end
+        end
+      end
+      
+      include M1
+      include M2
+      foo()
+    INPUT
+  end
+
   private
 
   def eval_using(mod, s)