[runtime] Store constructor function index on primitive maps.

src/runtime/runtime-collections.cc

 // Copyright 2014 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/v8.h"
 
 #include "src/arguments.h"
 #include "src/runtime/runtime-utils.h"
 
 
@@ skipping 281 matching lines @@
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_CHECKED(JSMapIterator, holder, 0);
   CONVERT_ARG_CHECKED(JSArray, value_array, 1);
   return holder->Next(value_array);
 }
 
 
 void Runtime::WeakCollectionInitialize(
     Isolate* isolate, Handle<JSWeakCollection> weak_collection) {
-  DCHECK(weak_collection->map()->inobject_properties() == 0);
+  DCHECK_EQ(0, weak_collection->map()->GetInObjectProperties());
   Handle<ObjectHashTable> table = ObjectHashTable::New(isolate, 0);
   weak_collection->set_table(*table);
 }
 
 
 RUNTIME_FUNCTION(Runtime_WeakCollectionInitialize) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSWeakCollection, weak_collection, 0);
   Runtime::WeakCollectionInitialize(isolate, weak_collection);
@@ skipping 136 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_ObservationWeakMapCreate) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   Handle<JSWeakMap> weakmap = isolate->factory()->NewJSWeakMap();
   Runtime::WeakCollectionInitialize(isolate, weakmap);
   return *weakmap;
 }
 }  // namespace internal
 }  // namespace v8