Fix lazy initialization of static fields (issue 2472).

runtime/vm/object.h

 // 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.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1510 matching lines @@
   HEAP_OBJECT_IMPLEMENTATION(Function, Object);
   friend class Class;
 };
 
 
 class Field : public Object {
  public:
   RawString* name() const { return raw_ptr()->name_; }
   bool is_static() const { return raw_ptr()->is_static_; }
   bool is_final() const { return raw_ptr()->is_final_; }
+  // TODO(regis): Implement support for const fields. Until then, current final
+  // fields are considered const.
+  bool is_const() const { return raw_ptr()->is_final_; }
 
   inline intptr_t Offset() const;
   inline void SetOffset(intptr_t value) const;
 
   RawInstance* value() const;
   void set_value(const Instance& value) const;
 
   RawClass* owner() const { return raw_ptr()->owner_; }
   void set_owner(const Class& value) const {
     StorePointer(&raw_ptr()->owner_, value.raw());
@@ skipping 2442 matching lines @@
 }
 
 
 intptr_t Stackmap::SizeInBits() const {
   return (Smi::Value(raw_ptr()->bitmap_size_in_bytes_) * kBitsPerByte);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_