Version 5.2.361.44 (cherry-pick)

src/keys.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/keys.h"
 
 #include "src/api-arguments.h"
 #include "src/elements.h"
 #include "src/factory.h"
 #include "src/identity-map.h"
@@ skipping 877 matching lines @@
   }
   // 21. Return trapResult.
   return AddKeysFromJSProxy(proxy, trap_result);
 }
 
 Maybe<bool> KeyAccumulator::CollectOwnJSProxyTargetKeys(
     Handle<JSProxy> proxy, Handle<JSReceiver> target) {
   // TODO(cbruni): avoid creating another KeyAccumulator
   Handle<FixedArray> keys;
   ASSIGN_RETURN_ON_EXCEPTION_VALUE(
-      isolate_, keys, JSReceiver::OwnPropertyKeys(target), Nothing<bool>());
+      isolate_, keys,
+      KeyAccumulator::GetKeys(target, KeyCollectionMode::kOwnOnly, filter_,
+                              GetKeysConversion::kConvertToString,
+                              filter_proxy_keys_, is_for_in_),
+      Nothing<bool>());
+   bool prev_filter_proxy_keys_ = filter_proxy_keys_;
   NextPrototype();  // Prepare for accumulating keys.
   bool prev_filter_proxy_keys_ = filter_proxy_keys_;
   filter_proxy_keys_ = false;
   Maybe<bool> result = AddKeysFromJSProxy(proxy, keys);
   filter_proxy_keys_ = prev_filter_proxy_keys_;
   return result;
 }
 
 }  // namespace internal
 }  // namespace v8