diff -r 8b16701b4636 -r f5662bdbee4a src/hotspot/share/gc/z/zReferenceProcessor.cpp
--- a/src/hotspot/share/gc/z/zReferenceProcessor.cpp	Mon Oct 21 09:55:58 2019 +0200
+++ b/src/hotspot/share/gc/z/zReferenceProcessor.cpp	Mon Oct 21 09:56:43 2019 +0200
@@ -32,6 +32,7 @@
 #include "gc/z/zTask.hpp"
 #include "gc/z/zTracer.inline.hpp"
 #include "gc/z/zUtils.inline.hpp"
+#include "gc/z/zValue.inline.hpp"
 #include "memory/universe.hpp"
 #include "runtime/mutexLocker.hpp"
 #include "runtime/os.hpp"