--- old/src/hotspot/share/opto/library_call.cpp	2019-09-16 13:53:59.000000000 +0200
+++ new/src/hotspot/share/opto/library_call.cpp	2019-09-16 13:53:53.000000000 +0200
@@ -4071,7 +4071,7 @@
     if (not_objArray != NULL) {
       // Improve the klass node's type from the new optimistic assumption:
       ciKlass* ak = ciArrayKlass::make(env()->Object_klass());
-      const Type* akls = TypeKlassPtr::make(TypePtr::NotNull, ak, Type::Offset(0));
+      const Type* akls = TypeKlassPtr::make(TypePtr::NotNull, ak, Type::Offset(0), false);
       Node* cast = new CastPPNode(klass_node, akls);
       cast->init_req(0, control());
       klass_node = _gvn.transform(cast);