| Index: src/type-feedback-vector-inl.h | 
| diff --git a/src/type-feedback-vector-inl.h b/src/type-feedback-vector-inl.h | 
| index 202bd30587ca7bd8b67c339366f9b2b1e8e3fe4d..c97fe4111380062e0748786e391861917cd3b365 100644 | 
| --- a/src/type-feedback-vector-inl.h | 
| +++ b/src/type-feedback-vector-inl.h | 
| @@ -55,13 +55,38 @@ int TypeFeedbackMetadata::GetSlotSize(FeedbackVectorSlotKind kind) { | 
| DCHECK_NE(FeedbackVectorSlotKind::KINDS_NUMBER, kind); | 
| if (kind == FeedbackVectorSlotKind::GENERAL || | 
| kind == FeedbackVectorSlotKind::INTERPRETER_BINARYOP_IC || | 
| -      kind == FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC) { | 
| +      kind == FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC || | 
| +      kind == FeedbackVectorSlotKind::CREATE_CLOSURE) { | 
| return 1; | 
| } | 
|  | 
| return 2; | 
| } | 
|  | 
| +bool TypeFeedbackMetadata::SlotRequiresParameter(FeedbackVectorSlotKind kind) { | 
| +  switch (kind) { | 
| +    case FeedbackVectorSlotKind::CREATE_CLOSURE: | 
| +      return true; | 
| + | 
| +    case FeedbackVectorSlotKind::CALL_IC: | 
| +    case FeedbackVectorSlotKind::LOAD_IC: | 
| +    case FeedbackVectorSlotKind::LOAD_GLOBAL_IC: | 
| +    case FeedbackVectorSlotKind::KEYED_LOAD_IC: | 
| +    case FeedbackVectorSlotKind::STORE_IC: | 
| +    case FeedbackVectorSlotKind::KEYED_STORE_IC: | 
| +    case FeedbackVectorSlotKind::INTERPRETER_BINARYOP_IC: | 
| +    case FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC: | 
| +    case FeedbackVectorSlotKind::GENERAL: | 
| +    case FeedbackVectorSlotKind::INVALID: | 
| +      return false; | 
| + | 
| +    case FeedbackVectorSlotKind::KINDS_NUMBER: | 
| +      break; | 
| +  } | 
| +  UNREACHABLE(); | 
| +  return false; | 
| +} | 
| + | 
| bool TypeFeedbackVector::is_empty() const { | 
| return length() == kReservedIndexCount; | 
| } | 
| @@ -196,6 +221,7 @@ void TypeFeedbackVector::ComputeCounts(int* with_type_info, int* generic, | 
| } | 
| break; | 
| } | 
| +      case FeedbackVectorSlotKind::CREATE_CLOSURE: | 
| case FeedbackVectorSlotKind::GENERAL: | 
| break; | 
| case FeedbackVectorSlotKind::INVALID: | 
|  |