diff -r c887851da33d -r 97d13893ec3c src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp
--- a/src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp	Wed Nov 27 10:21:22 2019 +0100
+++ b/src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp	Tue Nov 26 10:47:46 2019 +0100
@@ -35,6 +35,7 @@
 #include "oops/arrayOop.inline.hpp"
 #include "oops/oop.inline.hpp"
 #include "oops/typeArrayOop.hpp"
+#include "runtime/atomic.hpp"
 #include "runtime/mutexLocker.hpp"
 #include "runtime/safepointVerifiers.hpp"