| Index: src/type-feedback-vector.h | 
| diff --git a/src/type-feedback-vector.h b/src/type-feedback-vector.h | 
| index 0c741a37bba9c17d65889f4d5459823ea3fba47a..ed74904fcd9b298b92f51c8fdc87b1bae54280bd 100644 | 
| --- a/src/type-feedback-vector.h | 
| +++ b/src/type-feedback-vector.h | 
| @@ -30,6 +30,7 @@ enum class FeedbackVectorSlotKind { | 
| KEYED_STORE_IC, | 
| INTERPRETER_BINARYOP_IC, | 
| INTERPRETER_COMPARE_IC, | 
| +  STORE_DATA_PROPERTY_IN_LITERAL_IC, | 
|  | 
| // This is a general purpose slot that occupies one feedback vector element. | 
| GENERAL, | 
| @@ -81,6 +82,10 @@ class FeedbackVectorSpecBase { | 
| return AddSlot(FeedbackVectorSlotKind::GENERAL); | 
| } | 
|  | 
| +  FeedbackVectorSlot AddStoreDataPropertyInLiteralICSlot() { | 
| +    return AddSlot(FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC); | 
| +  } | 
| + | 
| #ifdef OBJECT_PRINT | 
| // For gdb debugging. | 
| void Print(); | 
| @@ -667,6 +672,28 @@ class CompareICNexus final : public FeedbackNexus { | 
| } | 
| }; | 
|  | 
| +class StoreDataPropertyInLiteralICNexus : public FeedbackNexus { | 
| + public: | 
| +  StoreDataPropertyInLiteralICNexus(Handle<TypeFeedbackVector> vector, | 
| +                                    FeedbackVectorSlot slot) | 
| +      : FeedbackNexus(vector, slot) { | 
| +    DCHECK_EQ(FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC, | 
| +              vector->GetKind(slot)); | 
| +  } | 
| +  StoreDataPropertyInLiteralICNexus(TypeFeedbackVector* vector, | 
| +                                    FeedbackVectorSlot slot) | 
| +      : FeedbackNexus(vector, slot) { | 
| +    DCHECK_EQ(FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC, | 
| +              vector->GetKind(slot)); | 
| +  } | 
| + | 
| +  void Clear(Code* host) { ConfigureUninitialized(); } | 
| + | 
| +  void ConfigureMonomorphic(Handle<Name> name, Handle<Map> receiver_map); | 
| + | 
| +  InlineCacheState StateFromFeedback() const override; | 
| +}; | 
| + | 
| inline BinaryOperationHint BinaryOperationHintFromFeedback(int type_feedback); | 
| inline CompareOperationHint CompareOperationHintFromFeedback(int type_feedback); | 
|  | 
|  |