--- a/src/hotspot/os/posix/os_posix.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/os/posix/os_posix.cpp	Tue Nov 26 10:47:46 2019 +0100
@@ -30,6 +30,7 @@
 #include "runtime/frame.inline.hpp"
 #include "runtime/interfaceSupport.inline.hpp"
 #include "services/memTracker.hpp"
+#include "runtime/orderAccess.hpp"
 #include "utilities/align.hpp"
 #include "utilities/events.hpp"
 #include "utilities/formatBuffer.hpp"