Backport @10366 to 3.6

src/handles.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 196 matching lines @@
 void NormalizeProperties(Handle<JSObject> object,
                          PropertyNormalizationMode mode,
                          int expected_additional_properties) {
   CALL_HEAP_FUNCTION_VOID(object->GetIsolate(),
                           object->NormalizeProperties(
                               mode,
                               expected_additional_properties));
 }
 
 
-Handle<NumberDictionary> NormalizeElements(Handle<JSObject> object) {
+Handle<SeededNumberDictionary> NormalizeElements(Handle<JSObject> object) {
   CALL_HEAP_FUNCTION(object->GetIsolate(),
                      object->NormalizeElements(),
-                     NumberDictionary);
+                     SeededNumberDictionary);
 }
 
 
 void TransformToFastProperties(Handle<JSObject> object,
                                int unused_property_fields) {
   CALL_HEAP_FUNCTION_VOID(
       object->GetIsolate(),
       object->TransformToFastProperties(unused_property_fields));
 }
 
 
-Handle<NumberDictionary> NumberDictionarySet(
-    Handle<NumberDictionary> dictionary,
+Handle<SeededNumberDictionary> SeededNumberDictionarySet(
+    Handle<SeededNumberDictionary> dictionary,
     uint32_t index,
     Handle<Object> value,
     PropertyDetails details) {
   CALL_HEAP_FUNCTION(dictionary->GetIsolate(),
                      dictionary->Set(index, *value, details),
-                     NumberDictionary);
+                     SeededNumberDictionary);
 }
 
 
 void FlattenString(Handle<String> string) {
   CALL_HEAP_FUNCTION_VOID(string->GetIsolate(), string->TryFlatten());
 }
 
 
 Handle<String> FlattenGetString(Handle<String> string) {
   CALL_HEAP_FUNCTION(string->GetIsolate(), string->TryFlatten(), String);
@@ skipping 687 matching lines @@
 
 bool CompileOptimized(Handle<JSFunction> function,
                       int osr_ast_id,
                       ClearExceptionFlag flag) {
   CompilationInfo info(function);
   info.SetOptimizing(osr_ast_id);
   return CompileLazyHelper(&info, flag);
 }
 
 } }  // namespace v8::internal