Link type feedback vectors to the shared function info.

test/cctest/test-feedback-vector.h

 // 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.
 
 #ifndef V8_TEST_FEEDBACK_VECTOR_H_
 #define V8_TEST_FEEDBACK_VECTOR_H_
 
 #include "src/objects.h"
 
 
@@ skipping 24 matching lines @@
   int slot_count() const { return static_cast<int>(slots_.size()); }
 
  private:
   Handle<FeedbackVector> vector_;
   std::vector<FeedbackSlot> slots_;
 };
 
 template <typename Spec>
 Handle<FeedbackVector> NewFeedbackVector(Isolate* isolate, Spec* spec) {
   Handle<FeedbackMetadata> metadata = FeedbackMetadata::New(isolate, spec);
-  return FeedbackVector::New(isolate, metadata);
+  Handle<SharedFunctionInfo> shared = isolate->factory()->NewSharedFunctionInfo(
+      isolate->factory()->empty_string(), MaybeHandle<Code>(), false);
+  shared->set_feedback_metadata(*metadata);
+  return FeedbackVector::New(isolate, shared);
 }
 
 template <typename Spec>
 Handle<FeedbackMetadata> NewFeedbackMetadata(Isolate* isolate, Spec* spec) {
   return FeedbackMetadata::New(isolate, spec);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif