--- old/src/hotspot/share/runtime/safepointMechanism.cpp	2019-11-26 12:09:48.805665851 +0100
+++ new/src/hotspot/share/runtime/safepointMechanism.cpp	2019-11-26 12:09:48.549661435 +0100
@@ -25,6 +25,7 @@
 #include "precompiled.hpp"
 #include "logging/log.hpp"
 #include "runtime/globals.hpp"
+#include "runtime/orderAccess.hpp"
 #include "runtime/os.hpp"
 #include "runtime/safepointMechanism.inline.hpp"
 #include "services/memTracker.hpp"