--- a/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	Thu Nov 01 14:57:26 2018 +0100
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	Fri Nov 02 08:33:59 2018 +0100
@@ -62,6 +62,7 @@
 #include "gc/g1/heapRegionSet.inline.hpp"
 #include "gc/g1/vm_operations_g1.hpp"
 #include "gc/shared/adaptiveSizePolicy.hpp"
+#include "gc/shared/gcBehaviours.hpp"
 #include "gc/shared/gcHeapSummary.hpp"
 #include "gc/shared/gcId.hpp"
 #include "gc/shared/gcLocker.hpp"