Introduce --zap-cpp-pointers (off by default)

src/type-info.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_TYPE_INFO_H_
 #define V8_TYPE_INFO_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast-types.h"
 #include "src/contexts.h"
@@ skipping 75 matching lines @@
  private:
   // Returns true if there is at least one string map and if
   // all maps are string maps.
   bool HasOnlyStringMaps(SmallMapList* receiver_types);
 
   void SetInfo(TypeFeedbackId id, Object* target);
 
   void BuildDictionary(Handle<Code> code);
   void GetRelocInfos(Handle<Code> code, ZoneList<RelocInfo>* infos);
   void CreateDictionary(Handle<Code> code, ZoneList<RelocInfo>* infos);
-  void RelocateRelocInfos(ZoneList<RelocInfo>* infos,
-                          Code* old_code,
-                          Code* new_code);
+  void RelocateRelocInfos(ZoneList<RelocInfo>* infos, Address old_code_address,
+                          Address new_code_address);
   void ProcessRelocInfos(ZoneList<RelocInfo>* infos);
 
   // Returns an element from the backing store. Returns undefined if
   // there is no information.
   Handle<Object> GetInfo(TypeFeedbackId id);
 
   // Returns an element from the type feedback vector. Returns undefined
   // if there is no information.
   Handle<Object> GetInfo(FeedbackSlot slot);
 
  private:
   Handle<Context> native_context_;
   Isolate* isolate_;
   Zone* zone_;
   Handle<UnseededNumberDictionary> dictionary_;
   Handle<FeedbackVector> feedback_vector_;
 
   DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPE_INFO_H_