vm_insnhelper.c: fix unusable super class

* vm_insnhelper.c (vm_call_method): unusable super class should cause
  method missing when BasicObject is refined but not been using.
  [ruby-core:64166] [Bug #10106]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47037 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 88754df75b..5a60a6afe9 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1151,6 +1151,21 @@ class TestRefinement < Test::Unit::TestCase
     INPUT
   end
 
+  def test_refine_basic_object
+    assert_separately([], <<-"end;")
+    bug10106 = '[ruby-core:64166] [Bug #10106]'
+    module RefinementBug
+      refine BasicObject do
+        def foo
+          1
+        end
+      end
+    end
+
+    assert_raise(NoMethodError, bug10106) {Object.new.foo}
+    end;
+  end
+
   private
 
   def eval_using(mod, s)