vector-based ICs did not update type feedback counts correctly.

src/compiler/js-operator.h

Index: src/compiler/js-operator.h
diff --git a/src/compiler/js-operator.h b/src/compiler/js-operator.h
index 8cd9fc7605f8b9327263a98304d5ae36e9cc2c09..b659292d6680f7e2cd9a3c3a1cc4d8b17c41ddce 100644
--- a/src/compiler/js-operator.h
+++ b/src/compiler/js-operator.h
@@ -98,15 +98,15 @@ ContextAccess const& ContextAccessOf(Operator const*);
 
 class VectorSlotPair {
  public:
-  VectorSlotPair(Handle<TypeFeedbackVector> vector, FeedbackVectorSlot slot)
+  VectorSlotPair(Handle<TypeFeedbackVector> vector, FeedbackVectorICSlot slot)
       : vector_(vector), slot_(slot) {}
 
   Handle<TypeFeedbackVector> vector() const { return vector_; }
-  FeedbackVectorSlot slot() const { return slot_; }
+  FeedbackVectorICSlot slot() const { return slot_; }
 
  private:
   const Handle<TypeFeedbackVector> vector_;
-  const FeedbackVectorSlot slot_;
+  const FeedbackVectorICSlot slot_;
 };