Move state sentinels into TypeFeedbackVector.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 38b56d2e50c03ea02d30b5b56aff3a2eadc51d4e..abafbe7ac1c00e33fa53aec69bb30c2dc24fbd7e 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -10378,7 +10378,7 @@ void Code::ClearInlineCaches(Code::Kind* kind) {
 
 
 void SharedFunctionInfo::ClearTypeFeedbackInfo() {
-  FixedArray* vector = feedback_vector();
+  TypeFeedbackVector* vector = feedback_vector();
   Heap* heap = GetHeap();
   int length = vector->length();
 
@@ -10394,7 +10394,7 @@ void SharedFunctionInfo::ClearTypeFeedbackInfo() {
           break;
           // Fall through...
         default:
-          vector->set(i, TypeFeedbackInfo::RawUninitializedSentinel(heap),
+          vector->set(i, TypeFeedbackVector::RawUninitializedSentinel(heap),
                       SKIP_WRITE_BARRIER);
       }
     }