VM: Hoist handle allocation out of loop when creating the object pool.

runtime/vm/object.cc

 // Copyright (c) 2012, 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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 10877 matching lines @@
   StorePointer(&raw_ptr()->info_array_, info_array.raw());
 }
 
 
 ObjectPool::EntryType ObjectPool::InfoAt(intptr_t index) const {
   const TypedData& array = TypedData::Handle(info_array());
   return static_cast<EntryType>(array.GetInt8(index));
 }
 
 
-void ObjectPool::SetInfoAt(intptr_t index, EntryType info) const {
-  const TypedData& array = TypedData::Handle(info_array());
-  array.SetInt8(index, static_cast<int8_t>(info));
-}
-
 const char* ObjectPool::ToCString() const {
   return "ObjectPool";
 }
 
 
 void ObjectPool::PrintJSONImpl(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
   AddCommonObjectProperties(&jsobj, "Object", ref);
   jsobj.AddServiceId(*this);
   jsobj.AddProperty("length", Length());
@@ skipping 10361 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart