diff -r 53a4760e9fcc -r db0c3952de52 src/hotspot/share/jfr/periodic/jfrPeriodic.cpp
--- a/src/hotspot/share/jfr/periodic/jfrPeriodic.cpp	Fri Sep 28 13:15:01 2018 -0700
+++ b/src/hotspot/share/jfr/periodic/jfrPeriodic.cpp	Fri Sep 28 16:07:39 2018 -0400
@@ -24,6 +24,7 @@
 
 #include "precompiled.hpp"
 #include "jvm.h"
+#include "classfile/classLoaderDataGraph.hpp"
 #include "classfile/classLoaderStats.hpp"
 #include "classfile/javaClasses.hpp"
 #include "code/codeCache.hpp"