--- old/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2018-04-05 12:03:14.000000000 -0500
+++ new/src/hotspot/share/gc/g1/g1CollectedHeap.cpp	2018-04-05 12:03:14.000000000 -0500
@@ -82,6 +82,7 @@
 #include "oops/oop.inline.hpp"
 #include "prims/resolvedMethodTable.hpp"
 #include "runtime/atomic.hpp"
+#include "runtime/flags/flagSetting.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/init.hpp"
 #include "runtime/orderAccess.inline.hpp"