Reland Vector ICs: platform support for vector-based stores.

src/type-info.cc

Index: src/type-info.cc
diff --git a/src/type-info.cc b/src/type-info.cc
index 15a64ef84510cddac13933d5d1fbd510980d96ee..317b4e38896b13ca9dc43b8d91a93671e199ed4c 100644
--- a/src/type-info.cc
+++ b/src/type-info.cc
@@ -136,10 +136,10 @@ bool TypeFeedbackOracle::StoreIsUninitialized(FeedbackVectorICSlot slot) {
     Code::Kind kind = feedback_vector_->GetKind(slot);
     if (kind == Code::STORE_IC) {
       StoreICNexus nexus(feedback_vector_, slot);
-      return nexus.StateFromFeedback();
+      return nexus.StateFromFeedback() == UNINITIALIZED;
     } else if (kind == Code::KEYED_STORE_IC) {
       KeyedStoreICNexus nexus(feedback_vector_, slot);
-      return nexus.StateFromFeedback();
+      return nexus.StateFromFeedback() == UNINITIALIZED;
     }
   }
   return true;