--- a/src/hotspot/share/gc/g1/g1RemSet.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/gc/g1/g1RemSet.cpp	Tue Nov 26 10:47:46 2019 +0100
@@ -49,6 +49,7 @@
 #include "memory/resourceArea.hpp"
 #include "oops/access.inline.hpp"
 #include "oops/oop.inline.hpp"
+#include "runtime/atomic.hpp"
 #include "runtime/os.hpp"
 #include "utilities/align.hpp"
 #include "utilities/globalDefinitions.hpp"