[turbofan] Fix includes for JSOperatorBuilder.

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 183 matching lines @@
   inline void ComputeCounts(int* with_type_info, int* generic);
 
   inline bool is_empty() const;
 
   // Returns number of slots in the vector.
   inline int slot_count() const;
 
   inline TypeFeedbackMetadata* metadata() const;
 
   // Conversion from a slot to an integer index to the underlying array.
-  static inline int GetIndex(FeedbackVectorSlot slot);
+  static int GetIndex(FeedbackVectorSlot slot) {
+    return kReservedIndexCount + slot.ToInt();
+  }
   static int GetIndexFromSpec(const FeedbackVectorSpec* spec,
                               FeedbackVectorSlot slot);
 
   // Conversion from an integer index to the underlying array to a slot.
   static inline FeedbackVectorSlot ToSlot(int index);
   inline Object* Get(FeedbackVectorSlot slot) const;
   inline void Set(FeedbackVectorSlot slot, Object* value,
                   WriteBarrierMode mode = UPDATE_WRITE_BARRIER);
 
   // Returns slot kind for given slot.
@@ skipping 339 matching lines @@
   KeyedAccessStoreMode GetKeyedAccessStoreMode() const;
   IcCheckType GetKeyType() const;
 
   InlineCacheState StateFromFeedback() const override;
   Name* FindFirstName() const override;
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TRANSITIONS_H_