nobu	2017-02-19 10:27:52 +0900 (Sun, 19 Feb 2017)

  New Revision: 57655

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57655

  Log:
    vm_insnhelper.c: super to module in refinement
    
    * vm_insnhelper.c (vm_call_zsuper): method defined in module in
      refinement is not callable as-is.  dispatch again.
      [ruby-core:79588] [Bug #13227]

  Modified files:
    trunk/test/ruby/test_refinement.rb
    trunk/vm_insnhelper.c
Index: test/ruby/test_refinement.rb
===================================================================
--- test/ruby/test_refinement.rb	(revision 57654)
+++ test/ruby/test_refinement.rb	(revision 57655)
@@ -1829,6 +1829,38 @@ class TestRefinement < Test::Unit::TestC https://github.com/ruby/ruby/blob/trunk/test/ruby/test_refinement.rb#L1829
     end;
   end
 
+  module SuperToModule
+    class Parent
+    end
+
+    class Child < Parent
+    end
+
+    module FooBar
+      refine Parent do
+        def to_s
+          "Parent"
+        end
+      end
+
+      refine Child do
+        def to_s
+          super + " -> Child"
+        end
+      end
+    end
+
+    using FooBar
+    def Child.test
+      new.to_s
+    end
+  end
+
+  def test_super_to_module
+    bug = '[ruby-core:79588] [Bug #13227]'
+    assert_equal("Parent -> Child", SuperToModule::Child.test, bug)
+  end
+
   private
 
   def eval_using(mod, s)
Index: vm_insnhelper.c
===================================================================
--- vm_insnhelper.c	(revision 57654)
+++ vm_insnhelper.c	(revision 57655)
@@ -2026,7 +2026,8 @@ vm_call_zsuper(rb_thread_t *th, rb_contr https://github.com/ruby/ruby/blob/trunk/vm_insnhelper.c#L2026
     if (!cc->me) {
 	return vm_call_method_nome(th, cfp, calling, ci, cc);
     }
-    if (cc->me->def->type == VM_METHOD_TYPE_REFINED) {
+    if (cc->me->def->type == VM_METHOD_TYPE_REFINED &&
+	cc->me->def->body.refined.orig_me) {
 	cc->me = refined_method_callable_without_refinement(cc->me);
     }
     return vm_call_method_each_type(th, cfp, calling, ci, cc);

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