proc.c: singleton_method should not use refinements

* proc.c (rb_obj_singleton_method): Kernel#singleton_method should
  not use refinements, as well as Kernel#method.
  [ruby-core:67603] [Bug #10744]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49259 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 884d031c87..596c679610 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1217,6 +1217,24 @@ class TestRefinement < Test::Unit::TestCase
     end;
   end
 
+  def test_singleton_method_should_not_use_refinements
+    assert_separately([], <<-"end;")
+    bug10744 = '[ruby-core:67603] [Bug #10744]'
+
+    class C
+    end
+
+    module RefinementBug
+      refine C.singleton_class do
+        def foo
+        end
+      end
+    end
+
+    assert_raise(NameError, bug10744) { C.singleton_method(:foo) }
+    end;
+  end
+
   private
 
   def eval_using(mod, s)