* vm_insnhelper.c (vm_call_method_missing): method_missing should

  not be refined.
  [ruby-core:72080] [Bug #11809]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 25 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 80407c01a2..52b7ac7086 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1594,6 +1594,31 @@ class TestRefinement < Test::Unit::TestCase
     assert_equal([:R2_baz, [:R1_foo, :orig_foo]], MixedUsing2.f2)
   end
 
+  module MethodMissing
+    class Foo
+    end
+
+    module Bar
+      refine Foo  do
+        def method_missing(mid, *args)
+          "method_missing refined"
+        end
+      end
+    end
+
+    using Bar
+
+    def self.call_undefined_method
+      Foo.new.foo
+    end
+  end
+
+  def test_method_missing
+    assert_raise(NoMethodError) do
+      MethodMissing.call_undefined_method
+    end
+  end
+
   private
 
   def eval_using(mod, s)