* eval.c (rb_mod_refine): raise an ArgumentError if a given

  block is of a Proc object.

* vm_insnhelper.c (vm_call_method): store refined methods in inline
  cache to improve performance.  It's safe now because blocks cannot
  be yielded with different refinements in the new specification.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38270 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 872ca1754a..05ac1030c5 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -616,6 +616,14 @@ class TestRefinement < Test::Unit::TestCase
     assert_equal('[{"1":2},{"3":4}]', x)
   end
 
+  def test_refine_with_proc
+    assert_raise(ArgumentError) do
+      Module.new {
+        refine(String, &Proc.new {})
+      }
+    end
+  end
+
   private
 
   def eval_using(mod, s)