--- old/src/hotspot/os/posix/os_posix.cpp	2019-11-26 12:09:05.272914864 +0100
+++ new/src/hotspot/os/posix/os_posix.cpp	2019-11-26 12:09:05.024910585 +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"