Collect type profile for DevTools.

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 45c2cd26011b2ad01c94da4d0930f84a158c455f..f05cd6287e33d8ca36e5452e394eb6e420d913d5 100644
--- a/src/feedback-vector-inl.h
+++ b/src/feedback-vector-inl.h
@@ -67,6 +67,7 @@ int FeedbackMetadata::GetSlotSize(FeedbackSlotKind kind) {
     case FeedbackSlotKind::kStoreKeyedSloppy:
     case FeedbackSlotKind::kStoreKeyedStrict:
     case FeedbackSlotKind::kStoreDataPropertyInLiteral:
+    case FeedbackSlotKind::kTypeProfile:
       return 2;

[Yang, 2017/02/22 10:39:28]

Why do we need two slots for this?

[Franzi, 2017/02/27 11:38:01]

Changed it to 1.

 
     case FeedbackSlotKind::kInvalid:
@@ -186,7 +187,8 @@ void FeedbackVector::ComputeCounts(int* with_type_info, int* generic,
       case FeedbackSlotKind::kStoreOwnNamed:
       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) {