Record call counts also for megamorphic calls.

src/type-feedback-vector.h

 // Copyright 2014 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_FEEDBACK_VECTOR_H_
 #define V8_TYPE_FEEDBACK_VECTOR_H_
 
 #include <vector>
 
 #include "src/base/logging.h"
@@ skipping 441 matching lines @@
       : FeedbackNexus(vector, slot) {
     DCHECK_EQ(FeedbackVectorSlotKind::CALL_IC, vector->GetKind(slot));
   }
   CallICNexus(TypeFeedbackVector* vector, FeedbackVectorSlot slot)
       : FeedbackNexus(vector, slot) {
     DCHECK_EQ(FeedbackVectorSlotKind::CALL_IC, vector->GetKind(slot));
   }
 
   void Clear(Code* host);
 
+  void ConfigureUninitialized() override;
   void ConfigureMonomorphicArray();
   void ConfigureMonomorphic(Handle<JSFunction> function);
   void ConfigureMegamorphic() final;
   void ConfigureMegamorphic(int call_count);
 
   InlineCacheState StateFromFeedback() const final;
 
   int ExtractMaps(MapHandleList* maps) const final {
     // CallICs don't record map feedback.
     return 0;
@@ skipping 153 matching lines @@
   KeyedAccessStoreMode GetKeyedAccessStoreMode() const;
   IcCheckType GetKeyType() const;
 
   InlineCacheState StateFromFeedback() const override;
   Name* FindFirstName() const override;
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TRANSITIONS_H_