--- old/src/hotspot/share/jfr/writers/jfrJavaEventWriter.cpp	2019-11-28 15:24:37.348536108 +0100
+++ new/src/hotspot/share/jfr/writers/jfrJavaEventWriter.cpp	2019-11-28 15:24:37.080526989 +0100
@@ -32,6 +32,7 @@
 #include "jfr/support/jfrThreadId.hpp"
 #include "jfr/utilities/jfrTypes.hpp"
 #include "jfr/writers/jfrJavaEventWriter.hpp"
+#include "memory/iterator.hpp"
 #include "oops/instanceKlass.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/fieldDescriptor.inline.hpp"