--- a/src/hotspot/share/runtime/safepointMechanism.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/runtime/safepointMechanism.cpp	Tue Nov 26 10:47:46 2019 +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"