Link type feedback vectors to the shared function info.

src/feedback-vector-inl.h

 // Copyright 2012 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_FEEDBACK_VECTOR_INL_H_
 #define V8_FEEDBACK_VECTOR_INL_H_
 
 #include "src/factory.h"
 #include "src/feedback-vector.h"
 #include "src/globals.h"
@@ skipping 66 matching lines @@
 
 bool FeedbackVector::is_empty() const {
   return length() == kReservedIndexCount;
 }
 
 int FeedbackVector::slot_count() const {
   return length() - kReservedIndexCount;
 }
 
 FeedbackMetadata* FeedbackVector::metadata() const {
-  return FeedbackMetadata::cast(get(kMetadataIndex));
+  return shared_function_info()->feedback_metadata();
+}
+
+SharedFunctionInfo* FeedbackVector::shared_function_info() const {
+  return SharedFunctionInfo::cast(get(kSharedFunctionInfoIndex));
 }
 
 int FeedbackVector::invocation_count() const {
   return Smi::cast(get(kInvocationCountIndex))->value();
 }
 
 // Conversion from an integer index to either a slot or an ic slot.
 // static
 FeedbackSlot FeedbackVector::ToSlot(int index) {
   DCHECK_GE(index, kReservedIndexCount);
@@ skipping 194 matching lines @@
 #endif
   int index = vector()->GetIndex(slot()) + 1;
   vector()->set(index, feedback_extra, mode);
 }
 
 Isolate* FeedbackNexus::GetIsolate() const { return vector()->GetIsolate(); }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FEEDBACK_VECTOR_INL_H_