Type Feedback Vector lives in the closure

src/interpreter/bytecode-generator.cc

 // Copyright 2015 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.
 
 #include "src/interpreter/bytecode-generator.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler.h"
 #include "src/interpreter/control-flow-builders.h"
 #include "src/objects.h"
@@ skipping 2264 matching lines @@
   return info()->language_mode();
 }
 
 
 Strength BytecodeGenerator::language_mode_strength() const {
   return strength(language_mode());
 }
 
 
 int BytecodeGenerator::feedback_index(FeedbackVectorSlot slot) const {
-  return info()->feedback_vector()->GetIndex(slot);
+  return TypeFeedbackVector::GetIndex(slot);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8