[es6] silence access-check failure for well-known symbol properties

src/runtime/runtime-array.cc

Index: src/runtime/runtime-array.cc
diff --git a/src/runtime/runtime-array.cc b/src/runtime/runtime-array.cc
index d00df71576bf27edcee2131a8c0cd5656e314d8c..0a64c94d884d53950b4a9f3cab4331c0abb8e48f 100644
--- a/src/runtime/runtime-array.cc
+++ b/src/runtime/runtime-array.cc
@@ -732,8 +732,8 @@ static bool IsConcatSpreadable(Isolate* isolate, Handle<Object> obj) {
   if (FLAG_harmony_concat_spreadable) {
     Handle<Symbol> key(isolate->factory()->is_concat_spreadable_symbol());
     Handle<Object> value;
-    MaybeHandle<Object> maybeValue =
-        i::Runtime::GetObjectProperty(isolate, obj, key);
+    MaybeHandle<Object> maybeValue = i::Object::GetPropertyOrFallbackValue(
+        obj, key, Handle<Object>::cast(isolate->factory()->undefined_value()));
     if (maybeValue.ToHandle(&value)) {
       if (!value->IsUndefined()) {
         return value->BooleanValue();