--- old/src/hotspot/share/runtime/sweeper.cpp	2018-03-20 18:41:02.329067856 -0400
+++ new/src/hotspot/share/runtime/sweeper.cpp	2018-03-20 18:41:01.599000110 -0400
@@ -42,6 +42,7 @@
 #include "runtime/sweeper.hpp"
 #include "runtime/thread.inline.hpp"
 #include "runtime/vm_operations.hpp"
+#include "runtime/vmThread.hpp"
 #include "trace/tracing.hpp"
 #include "utilities/events.hpp"
 #include "utilities/ticks.inline.hpp"