vm_insnhelper.c: refinements with send

* vm_insnhelper.c (vm_call_opt_send): enable refinements with
  Kernel#send and BasicObject#__send__.  [Feature #11476]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56450 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Oct 19 17:02:15 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm_insnhelper.c (vm_call_opt_send): enable refinements with
+	  Kernel#send and BasicObject#__send__.  [Feature #11476]
+
 Wed Oct 19 14:22:49 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* basictest/runner.rb: do not clobber the option by --run-opt with

test/ruby/test_refinement.rb

@@ -171,10 +171,10 @@ class TestRefinement < Test::Unit::TestCase
     end
   end
 
-  def test_send_should_not_use_refinements
+  def test_send_should_use_refinements
     foo = Foo.new
     assert_raise(NoMethodError) { foo.send(:z) }
-    assert_raise(NoMethodError) { FooExtClient.send_z_on(foo) }
+    assert_equal("FooExt#z", FooExtClient.send_z_on(foo))
     assert_raise(NoMethodError) { foo.send(:z) }
 
     assert_equal(true, RespondTo::Sub.new.respond_to?(:foo))

vm_insnhelper.c

@@ -1956,7 +1956,7 @@ vm_call_opt_send(rb_thread_t *th, rb_control_frame_t *reg_cfp, struct rb_calling
 	DEC_SP(1);
     }
 
-    cc->me = rb_callable_method_entry_without_refinements(CLASS_OF(calling->recv), ci->mid);
+    cc->me = rb_callable_method_entry_with_refinements(CLASS_OF(calling->recv), ci->mid);
     ci->flag = VM_CALL_FCALL | VM_CALL_OPT_SEND;
     return vm_call_method(th, reg_cfp, calling, ci, cc);
 }