Support setting named properties on non-JSObjects.

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 4bdb657fd7b84a972b4a776fc4554466873ad056..afcc84d606601d4f21d5d75fa611b3aa48bcac50 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -2084,9 +2084,9 @@ Handle<JSObject> Factory::NewArgumentsObject(Handle<JSFunction> callee,
   ASSERT(!isolate()->has_pending_exception());
   Handle<JSObject> result = NewJSObjectFromMap(map);
   Handle<Smi> value(Smi::FromInt(length), isolate());
-  JSReceiver::SetProperty(result, length_string(), value, STRICT).Assert();
+  Object::SetProperty(result, length_string(), value, STRICT).Assert();
   if (!strict_mode_callee) {
-    JSReceiver::SetProperty(result, callee_string(), callee, STRICT).Assert();
+    Object::SetProperty(result, callee_string(), callee, STRICT).Assert();
   }
   return result;
 }