Version 5.2.361.44 (cherry-pick)

src/keys.cc

Index: src/keys.cc
diff --git a/src/keys.cc b/src/keys.cc
index 17270eb1bede8711201731f3010c02b16a2cb2ed..8b116c85bddd147a14ccbe0108109f243e082256 100644
--- a/src/keys.cc
+++ b/src/keys.cc
@@ -895,7 +895,12 @@ Maybe<bool> KeyAccumulator::CollectOwnJSProxyTargetKeys(
   // 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;