diff -r 4dd58ecc9912 -r 898ef81cbc0e src/hotspot/share/runtime/synchronizer.cpp
--- a/src/hotspot/share/runtime/synchronizer.cpp	Thu Mar 15 21:29:36 2018 +0100
+++ b/src/hotspot/share/runtime/synchronizer.cpp	Fri Mar 23 18:54:12 2018 +0100
@@ -39,6 +39,7 @@
 #include "runtime/objectMonitor.hpp"
 #include "runtime/objectMonitor.inline.hpp"
 #include "runtime/osThread.hpp"
+#include "runtime/safepointVerifiers.hpp"
 #include "runtime/sharedRuntime.hpp"
 #include "runtime/stubRoutines.hpp"
 #include "runtime/synchronizer.hpp"