diff -r c887851da33d -r 97d13893ec3c src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp	Tue Nov 26 10:47:46 2019 +0100
@@ -28,6 +28,7 @@
 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
 #include "gc/shenandoah/shenandoahTraversalGC.hpp"
 #include "oops/compressedOops.inline.hpp"
+#include "runtime/atomic.hpp"
 #include "runtime/thread.hpp"
 
 ShenandoahForwardedIsAliveClosure::ShenandoahForwardedIsAliveClosure() :