merge revision(s) r49182,r49183: [Backport #10706]

	vm_method.c: fix change refined new method visibility
	* vm_method.c (rb_export_method): bail out if the original method
	  is undefined when the method is refined.
	  [ruby-core:67387] [Bug #10706]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@49786 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 77e4789bfc..65137f0e3a 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1167,6 +1167,20 @@ class TestRefinement < Test::Unit::TestCase
     end;
   end
 
+  def test_change_refined_new_method_visibility
+    assert_separately([], <<-"end;")
+    bug10706 = '[ruby-core:67387] [Bug #10706]'
+    module RefinementBug
+      refine Object do
+        def foo
+        end
+      end
+    end
+
+    assert_raise(NameError, bug10706) {private(:foo)}
+    end;
+  end
+
   private
 
   def eval_using(mod, s)