--- old/src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp	2019-11-28 15:24:20.833974166 +0100
+++ new/src/hotspot/share/gc/parallel/parallelScavengeHeap.cpp	2019-11-28 15:24:20.566965080 +0100
@@ -44,6 +44,7 @@
 #include "gc/shared/locationPrinter.inline.hpp"
 #include "gc/shared/scavengableNMethods.hpp"
 #include "logging/log.hpp"
+#include "memory/iterator.hpp"
 #include "memory/metaspaceCounters.hpp"
 #include "memory/universe.hpp"
 #include "oops/oop.inline.hpp"