- Removed the kWatchedBit and the associated weak property handling

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 22241 matching lines @@
       "RegExp: pattern=%s flags=%s", str.ToCString(), Flags());
 }
 
 
 RawWeakProperty* WeakProperty::New(Heap::Space space) {
   ASSERT(Isolate::Current()->object_store()->weak_property_class()
          != Class::null());
   RawObject* raw = Object::Allocate(WeakProperty::kClassId,
                                     WeakProperty::InstanceSize(),
                                     space);
-  return reinterpret_cast<RawWeakProperty*>(raw);
+  RawWeakProperty* result = reinterpret_cast<RawWeakProperty*>(raw);
+  result->ptr()->next_ = 0;  // Init the list to NULL.
+  return result;
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "_WeakProperty";
 }
 
 
 RawAbstractType* MirrorReference::GetAbstractTypeReferent() const {
   ASSERT(Object::Handle(referent()).IsAbstractType());
@@ skipping 182 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart