WIP: type profiling.

src/feedback-vector-inl.h

Index: src/feedback-vector-inl.h
diff --git a/src/feedback-vector-inl.h b/src/feedback-vector-inl.h
index 4bab1f50e41e1f691630e776c8f6da2fa782bbca..62855df5f291999d4049f1e41103f2a0647ec8e6 100644
--- a/src/feedback-vector-inl.h
+++ b/src/feedback-vector-inl.h
@@ -66,6 +66,7 @@ int FeedbackMetadata::GetSlotSize(FeedbackSlotKind kind) {
     case FeedbackSlotKind::kStoreKeyedSloppy:
     case FeedbackSlotKind::kStoreKeyedStrict:
     case FeedbackSlotKind::kStoreDataPropertyInLiteral:
+    case FeedbackSlotKind::kTypeProfile:
       return 2;
 
     case FeedbackSlotKind::kInvalid:
@@ -184,7 +185,8 @@ void FeedbackVector::ComputeCounts(int* with_type_info, int* generic,
       case FeedbackSlotKind::kStorePropertyStrict:
       case FeedbackSlotKind::kStoreKeyedSloppy:
       case FeedbackSlotKind::kStoreKeyedStrict:
-      case FeedbackSlotKind::kStoreDataPropertyInLiteral: {
+      case FeedbackSlotKind::kStoreDataPropertyInLiteral:
+      case FeedbackSlotKind::kTypeProfile: {
         if (obj->IsWeakCell() || obj->IsFixedArray() || obj->IsString()) {
           with++;
         } else if (obj == megamorphic_sentinel) {