--- old/src/hotspot/share/gc/z/zMark.cpp	2018-06-20 11:50:25.908139477 +0200
+++ new/src/hotspot/share/gc/z/zMark.cpp	2018-06-20 11:50:25.684139485 +0200
@@ -37,6 +37,7 @@
 #include "gc/z/zUtils.inline.hpp"
 #include "gc/z/zWorkers.inline.hpp"
 #include "logging/log.hpp"
+#include "memory/iterator.inline.hpp"
 #include "oops/objArrayOop.inline.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/atomic.hpp"