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

src/heap/objects-visiting.cc

Index: src/heap/objects-visiting.cc
diff --git a/src/heap/objects-visiting.cc b/src/heap/objects-visiting.cc
index 49ce4f97abb76f298bac81459cfa6e604eb0490f..16f5e706aac53853c0743c67538f28cc494bc406 100644
--- a/src/heap/objects-visiting.cc
+++ b/src/heap/objects-visiting.cc
@@ -51,6 +51,9 @@ StaticVisitorBase::VisitorId StaticVisitorBase::GetVisitorId(
     case FIXED_DOUBLE_ARRAY_TYPE:
       return kVisitFixedDoubleArray;
 
+    case FEEDBACK_VECTOR_TYPE:
+      return kVisitFeedbackVector;
+
     case ODDBALL_TYPE:
       return kVisitOddball;