Change deoptimization description for materialized objects.

runtime/vm/deferred_objects.h

 // 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.
 
 #ifndef VM_DEFERRED_OBJECTS_H_
 #define VM_DEFERRED_OBJECTS_H_
 
 #include "platform/globals.h"
 
 namespace dart {
@@ skipping 146 matching lines @@
 
   RawInstance* object();
 
  private:
   enum {
     kClassIndex = 0,
     kFieldsStartIndex = kClassIndex + 1
   };
 
   enum {
-    kFieldIndex = 0,
+    kOffsetIndex = 0,
     kValueIndex,
     kFieldEntrySize,
   };
 
   // Materializes the object. Returns amount of values that were consumed
   // and should be removed from the expression stack at the very end of
   // deoptimization.
   void Materialize();
 
   RawObject* GetClass() const {
     return args_[kClassIndex];
   }
 
-  RawObject* GetField(intptr_t index) const {
-    return args_[kFieldsStartIndex + kFieldEntrySize * index + kFieldIndex];
+  RawObject* GetFieldOffset(intptr_t index) const {
+    return args_[kFieldsStartIndex + kFieldEntrySize * index + kOffsetIndex];
   }
 
   RawObject* GetValue(intptr_t index) const {
     return args_[kFieldsStartIndex + kFieldEntrySize * index + kValueIndex];
   }
 
   // Amount of fields that have to be initialized.
   const intptr_t field_count_;
 
   // Pointer to the first materialization argument on the stack.
   // The first argument is Class of the instance to materialize followed by
   // Field, value pairs.
   RawObject** args_;
 
   // Object materialized from this description.
   const Instance* object_;
 
   DISALLOW_COPY_AND_ASSIGN(DeferredObject);
 };
 
 }  // namespace dart
 
 #endif  // VM_DEFERRED_OBJECTS_H_