[ignition] Create the type feedback vector after bytecode generation

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 199 matching lines @@
 
   // Returns slot kind for given slot.
   FeedbackVectorSlotKind GetKind(FeedbackVectorSlot slot) const;
 
   // Returns parameter for given index (note: this is not the slot)
   int GetParameter(int parameter_index) const;
 
   template <typename Spec>
   static Handle<TypeFeedbackMetadata> New(Isolate* isolate, const Spec* spec);
 
+  // Ensure that the given shared function info has type feedback metadata with
+  // the given spec.
+  static void EnsureAllocated(Isolate* isolate, Handle<SharedFunctionInfo> sfi,
+                              const FeedbackVectorSpec* spec);
+
 #ifdef OBJECT_PRINT
   // For gdb debugging.
   void Print();
 #endif  // OBJECT_PRINT
 
   DECLARE_PRINTER(TypeFeedbackMetadata)
 
   static const char* Kind2String(FeedbackVectorSlotKind kind);
 
  private:
@@ skipping 504 matching lines @@
   InlineCacheState StateFromFeedback() const override;
 };
 
 inline BinaryOperationHint BinaryOperationHintFromFeedback(int type_feedback);
 inline CompareOperationHint CompareOperationHintFromFeedback(int type_feedback);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TRANSITIONS_H_