--- a/src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp	Tue Nov 26 10:47:46 2019 +0100
@@ -48,6 +48,7 @@
 #include "oops/compressedOops.inline.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/biasedLocking.hpp"
+#include "runtime/orderAccess.hpp"
 #include "runtime/thread.hpp"
 #include "utilities/copy.hpp"
 #include "utilities/growableArray.hpp"