Reorder switch clauses using newly-introduced execution counters in

src/type-info.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 294 matching lines @@
   void BinaryType(BinaryOperation* expr,
                   TypeInfo* left,
                   TypeInfo* right,
                   TypeInfo* result);
   void CompareType(CompareOperation* expr,
                    TypeInfo* left_type,
                    TypeInfo* right_type,
                    TypeInfo* overall_type);
   Handle<Map> GetCompareMap(CompareOperation* expr);
   TypeInfo SwitchType(CaseClause* clause);
+  int SwitchHitCount(CaseClause* clause);
   TypeInfo IncrementType(CountOperation* expr);
 
   Zone* zone() const { return zone_; }
   Isolate* isolate() const { return isolate_; }
 
  private:
   void CollectReceiverTypes(TypeFeedbackId ast_id,
                             Handle<String> name,
                             Code::Flags flags,
                             SmallMapList* types);
@@ skipping 10 matching lines @@
   void ProcessTypeFeedbackCells(Handle<Code> code);
 
   // Returns an element from the backing store. Returns undefined if
   // there is no information.
  public:
   // TODO(mvstanton): how to get this information without making the method
   // public?
   Handle<Object> GetInfo(TypeFeedbackId ast_id);
 
  private:
+  Handle<Code> code_;
   Handle<Context> native_context_;
   Isolate* isolate_;
   Zone* zone_;
   Handle<UnseededNumberDictionary> dictionary_;
 
   DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_TYPE_INFO_H_