Fix unobservable constructor replacement on prototype maps

src/objects-printer.cc

Index: src/objects-printer.cc
diff --git a/src/objects-printer.cc b/src/objects-printer.cc
index cb3f27a79b0e3f8ece986a4df7bbad7d991863fe..00a1002e0d86130bf0fdda41db7488fd8cbffd98 100644
--- a/src/objects-printer.cc
+++ b/src/objects-printer.cc
@@ -881,6 +881,7 @@ void PrototypeInfo::PrototypeInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "PrototypeInfo");
   os << "\n - prototype users: " << Brief(prototype_users());
   os << "\n - validity cell: " << Brief(validity_cell());
+  os << "\n - constructor name: " << Brief(constructor_name());
   os << "\n";
 }