--- a/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	Thu Jan 31 01:17:41 2019 +0100
+++ b/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	Thu Jan 31 10:31:39 2019 +0100
@@ -46,6 +46,7 @@
 #include "memory/metaspace.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/oop.inline.hpp"
+#include "runtime/handles.inline.hpp"
 
 template<UpdateRefsMode UPDATE_REFS, StringDedupMode STRING_DEDUP>
 class ShenandoahInitMarkRootsClosure : public OopClosure {