Widen definition of %HasComplexElements() to include non-enumerability

src/objects.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 <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
@@ skipping 15256 matching lines @@
 template <typename Derived, typename Shape, typename Key>
 bool Dictionary<Derived, Shape, Key>::HasComplexElements() {
   int capacity = DerivedHashTable::Capacity();
   for (int i = 0; i < capacity; i++) {
     Object* k = DerivedHashTable::KeyAt(i);
     if (DerivedHashTable::IsKey(k) && !FilterKey(k, NONE)) {
       PropertyDetails details = DetailsAt(i);
       if (details.IsDeleted()) continue;
       if (details.type() == CALLBACKS) return true;
       PropertyAttributes attr = details.attributes();
-      if (attr & (READ_ONLY | DONT_DELETE)) return true;
+      if (attr & (READ_ONLY | DONT_DELETE | DONT_ENUM)) return true;
     }
   }
   return false;
 }
 
 
 template <typename Derived, typename Shape, typename Key>
 void Dictionary<Derived, Shape, Key>::CopyKeysTo(
     FixedArray* storage, PropertyAttributes filter,
     typename Dictionary<Derived, Shape, Key>::SortMode sort_mode) {
@@ skipping 1191 matching lines @@
   Handle<DependentCode> codes =
       DependentCode::Insert(handle(cell->dependent_code(), info->isolate()),
                             DependentCode::kPropertyCellChangedGroup,
                             info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal