Flesh out vector ic state query and set mechanisms.

src/typing.cc

Index: src/typing.cc
diff --git a/src/typing.cc b/src/typing.cc
index e297ff2617f601464328b3f54adef58be974810b..3f63237596ae116a6882fab950dbc6a214a73cbc 100644
--- a/src/typing.cc
+++ b/src/typing.cc
@@ -484,18 +484,35 @@ void AstTyper::VisitThrow(Throw* expr) {
 
 void AstTyper::VisitProperty(Property* expr) {
   // Collect type feedback.
-  TypeFeedbackId id = expr->PropertyFeedbackId();
-  expr->set_is_uninitialized(oracle()->LoadIsUninitialized(id));
+  FeedbackVectorICSlot slot(FeedbackVectorICSlot::Invalid());
+  TypeFeedbackId id(TypeFeedbackId::None());
+  if (FLAG_vector_ics) {
+    slot = expr->PropertyFeedbackSlot();
+    expr->set_is_uninitialized(oracle()->LoadIsUninitialized(slot));
+  } else {
+    id = expr->PropertyFeedbackId();
+    expr->set_is_uninitialized(oracle()->LoadIsUninitialized(id));
+  }
+
   if (!expr->IsUninitialized()) {
     if (expr->key()->IsPropertyName()) {
       Literal* lit_key = expr->key()->AsLiteral();
       DCHECK(lit_key != NULL && lit_key->value()->IsString());
       Handle<String> name = Handle<String>::cast(lit_key->value());
-      oracle()->PropertyReceiverTypes(id, name, expr->GetReceiverTypes());
+      if (FLAG_vector_ics) {
+        oracle()->PropertyReceiverTypes(slot, name, expr->GetReceiverTypes());
+      } else {
+        oracle()->PropertyReceiverTypes(id, name, expr->GetReceiverTypes());
+      }
     } else {
       bool is_string;
-      oracle()->KeyedPropertyReceiverTypes(
-          id, expr->GetReceiverTypes(), &is_string);
+      if (FLAG_vector_ics) {
+        oracle()->KeyedPropertyReceiverTypes(slot, expr->GetReceiverTypes(),
+                                             &is_string);
+      } else {
+        oracle()->KeyedPropertyReceiverTypes(id, expr->GetReceiverTypes(),
+                                             &is_string);
+      }
       expr->set_is_string_access(is_string);
     }
   }