Vector ICs: Introduce an InstanceType for the type feedback vector.

src/heap/objects-visiting-inl.h

Index: src/heap/objects-visiting-inl.h
diff --git a/src/heap/objects-visiting-inl.h b/src/heap/objects-visiting-inl.h
index 01a38cb5ca5280d564412b252048727f59621b8b..6a42a8cc059ec10ca6217a615dfa9cff8135d0e8 100644
--- a/src/heap/objects-visiting-inl.h
+++ b/src/heap/objects-visiting-inl.h
@@ -141,6 +141,8 @@ void StaticMarkingVisitor<StaticVisitor>::Initialize() {
 
   table_.Register(kVisitFixedFloat64Array, &DataObjectVisitor::Visit);
 
+  table_.Register(kVisitFeedbackVector, &FixedArrayVisitor::Visit);
+
   table_.Register(kVisitNativeContext, &VisitNativeContext);
 
   table_.Register(kVisitAllocationSite, &VisitAllocationSite);