Implement new inline cache.

vm/raw_object.h

 // Copyright (c) 2011, 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_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "vm/assert.h"
 #include "vm/globals.h"
 #include "vm/snapshot.h"
@@ skipping 471 matching lines @@
 
   RawObject** from() {
     return reinterpret_cast<RawObject**>(&ptr()->instructions_);
   }
   RawInstructions* instructions_;
   RawFunction* function_;
   RawExceptionHandlers* exception_handlers_;
   RawPcDescriptors* pc_descriptors_;
   // Ongoing redesign of inline caches may soon remove the need for 'ic_data_'.
   RawArray* ic_data_;  // Used to store IC stub data (see class ICData).
-  RawArray* class_ic_stubs_;  // Array of pairs (RawArray<RawClass>, RawCode)
   RawObject** to() {
-    return reinterpret_cast<RawObject**>(&ptr()->class_ic_stubs_);
+    return reinterpret_cast<RawObject**>(&ptr()->ic_data_);
   }
 
   intptr_t pointer_offsets_length_;
   // This cannot be boolean because of alignment issues on x64 architectures.
   intptr_t is_optimized_;
 
   // Variable length data follows here.
   int32_t data_[0];
 };
 
@@ skipping 266 matching lines @@
   intptr_t type_;  // Uninitialized, simple or complex.
   intptr_t flags_;  // Represents global/local, case insensitive, multiline.
 
   // Variable length data follows here.
   uint8_t data_[0];
 };
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_