--- old/src/hotspot/share/gc/g1/g1RootProcessor.cpp	2018-04-27 15:30:51.798200548 +0200
+++ new/src/hotspot/share/gc/g1/g1RootProcessor.cpp	2018-04-27 15:30:51.542200557 +0200
@@ -38,6 +38,7 @@
 #include "gc/g1/g1RootClosures.hpp"
 #include "gc/g1/g1RootProcessor.hpp"
 #include "gc/g1/heapRegion.inline.hpp"
+#include "gc/shared/referenceProcessor.hpp"
 #include "gc/shared/weakProcessor.hpp"
 #include "memory/allocation.inline.hpp"
 #include "runtime/mutex.hpp"