Full code shouldn't embed the type feedback vector.

src/type-feedback-vector.h

Index: src/type-feedback-vector.h
diff --git a/src/type-feedback-vector.h b/src/type-feedback-vector.h
index 4fb01997483655aeba19cc9d393afcf9c238806f..d5bc1a6cb3a9ed9ad56dc4fbc2fa38f5f0802714 100644
--- a/src/type-feedback-vector.h
+++ b/src/type-feedback-vector.h
@@ -113,6 +113,11 @@ class TypeFeedbackVector : public FixedArray {
   inline int GetIndex(FeedbackVectorSlot slot) const;
   inline int GetIndex(FeedbackVectorICSlot slot) const;
 
+  template <typename Spec>
+  static int GetIndexFromSpec(const Spec* spec, FeedbackVectorSlot slot);
+  template <typename Spec>
+  static int GetIndexFromSpec(const Spec* spec, FeedbackVectorICSlot slot);
+
   // Conversion from an integer index to either a slot or an ic slot. The caller
   // should know what kind she expects.
   inline FeedbackVectorSlot ToSlot(int index) const;