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]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57655 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 34 insertions, 1 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 66202cda11..a178f24591 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1829,6 +1829,38 @@ class TestRefinement < Test::Unit::TestCase
     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)
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 903e6c4ab5..48a63d0089 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -2026,7 +2026,8 @@ vm_call_zsuper(rb_thread_t *th, rb_control_frame_t *cfp, struct rb_calling_info
     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);