Reorder switch clauses using newly-introduced execution counters in

src/type-info.h

Index: src/type-info.h
diff --git a/src/type-info.h b/src/type-info.h
index 6c7e31acdb6d071e433d9d37d377e79eaeb9dfd4..c30a1e53e5c6ecff85873520eee5def8ee2192f6 100644
--- a/src/type-info.h
+++ b/src/type-info.h
@@ -312,6 +312,7 @@ class TypeFeedbackOracle: public ZoneObject {
                    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_; }
@@ -342,6 +343,7 @@ class TypeFeedbackOracle: public ZoneObject {
   Handle<Object> GetInfo(TypeFeedbackId ast_id);
 
  private:
+  Handle<Code> code_;
   Handle<Context> native_context_;
   Isolate* isolate_;
   Zone* zone_;