[runtime] Collect IC feedback in DefineDataPropertyInLiteral.

src/type-feedback-vector.cc

Index: src/type-feedback-vector.cc
diff --git a/src/type-feedback-vector.cc b/src/type-feedback-vector.cc
index ac584ad8a79dcbc42200258f8887f72f502b183a..76c5abf891c43d3ee37accb37f1441e10d37a1c0 100644
--- a/src/type-feedback-vector.cc
+++ b/src/type-feedback-vector.cc
@@ -161,6 +161,8 @@ const char* TypeFeedbackMetadata::Kind2String(FeedbackVectorSlotKind kind) {
       return "INTERPRETER_BINARYOP_IC";
     case FeedbackVectorSlotKind::INTERPRETER_COMPARE_IC:
       return "INTERPRETER_COMPARE_IC";
+    case FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC:
+      return "STORE_DATA_PROPERTY_IN_LITERAL_IC";
     case FeedbackVectorSlotKind::GENERAL:
       return "STUB";
     case FeedbackVectorSlotKind::KINDS_NUMBER:
@@ -316,6 +318,11 @@ void TypeFeedbackVector::ClearSlotsImpl(SharedFunctionInfo* shared,
           }
           break;
         }
+        case FeedbackVectorSlotKind::STORE_DATA_PROPERTY_IN_LITERAL_IC: {
+          StoreDataPropertyInLiteralICNexus nexus(this, slot);
+          nexus.Clear(shared->code());
+          break;
+        }
         case FeedbackVectorSlotKind::INVALID:
         case FeedbackVectorSlotKind::KINDS_NUMBER:
           UNREACHABLE();
@@ -987,5 +994,27 @@ CompareOperationHint CompareICNexus::GetCompareOperationFeedback() const {
   return CompareOperationHintFromFeedback(feedback);
 }
 
+InlineCacheState StoreDataPropertyInLiteralICNexus::StateFromFeedback() const {
+  Isolate* isolate = GetIsolate();
+  Object* feedback = GetFeedback();
+
+  if (feedback == *TypeFeedbackVector::UninitializedSentinel(isolate)) {
+    return UNINITIALIZED;
+  } else if (feedback->IsWeakCell()) {
+    // Don't check if the map is cleared.
+    return MONOMORPHIC;
+  }
+
+  return MEGAMORPHIC;
+}
+
+void StoreDataPropertyInLiteralICNexus::ConfigureMonomorphic(
+    Handle<Name> name, Handle<Map> receiver_map) {
+  Handle<WeakCell> cell = Map::WeakCellForMap(receiver_map);
+
+  SetFeedback(*cell);
+  SetFeedbackExtra(*name);
+}
+
 }  // namespace internal
 }  // namespace v8