diff -r c887851da33d -r 97d13893ec3c src/hotspot/share/utilities/concurrentHashTableTasks.inline.hpp
--- a/src/hotspot/share/utilities/concurrentHashTableTasks.inline.hpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/utilities/concurrentHashTableTasks.inline.hpp	Tue Nov 26 10:47:46 2019 +0100
@@ -25,6 +25,7 @@
 #ifndef SHARE_UTILITIES_CONCURRENTHASHTABLETASKS_INLINE_HPP
 #define SHARE_UTILITIES_CONCURRENTHASHTABLETASKS_INLINE_HPP
 
+#include "runtime/atomic.hpp"
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/concurrentHashTable.inline.hpp"