VM-internalize the default Map implementation.

runtime/vm/class_finalizer.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/class_finalizer.h"
 
 #include "vm/code_generator.h"
 #include "vm/flags.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
@@ skipping 201 matching lines @@
   cls = object_store->double_class();
   ASSERT(Double::InstanceSize() == cls.instance_size());
   cls = object_store->bool_class();
   ASSERT(Bool::InstanceSize() == cls.instance_size());
   cls = object_store->array_class();
   ASSERT(Array::InstanceSize() == cls.instance_size());
   cls = object_store->immutable_array_class();
   ASSERT(ImmutableArray::InstanceSize() == cls.instance_size());
   cls = object_store->weak_property_class();
   ASSERT(WeakProperty::InstanceSize() == cls.instance_size());
+  cls = object_store->linked_hash_map_class();
+  ASSERT(LinkedHashMap::InstanceSize() == cls.instance_size());
 #endif  // defined(DEBUG)
 
   // Remember the currently pending classes.
   const GrowableObjectArray& class_array =
       GrowableObjectArray::Handle(object_store->pending_classes());
   for (intptr_t i = 0; i < class_array.Length(); i++) {
     // TODO(iposva): Add real checks.
     cls ^= class_array.At(i);
     if (cls.is_finalized() || cls.is_prefinalized()) {
       // Pre-finalized bootstrap classes must not define any fields.
@@ skipping 2948 matching lines @@
   ASSERT(fields_array.Length() == ByteBuffer::NumberOfFields());
   field ^= fields_array.At(0);
   ASSERT(field.Offset() == ByteBuffer::data_offset());
   name ^= field.name();
   expected_name ^= String::New("_data");
   ASSERT(String::EqualsIgnoringPrivateKey(name, expected_name));
 #endif
 }
 
 }  // namespace dart