--- a/src/hotspot/share/gc/cms/concurrentMarkSweepGeneration.cpp	Tue May 29 12:06:05 2018 -0700
+++ b/src/hotspot/share/gc/cms/concurrentMarkSweepGeneration.cpp	Tue May 29 15:50:27 2018 -0400
@@ -5201,7 +5201,7 @@
       GCTraceTime(Debug, gc, phases) t("Class Unloading", _gc_timer_cm);
 
       // Unload classes and purge the SystemDictionary.
-      bool purged_class = SystemDictionary::do_unloading(&_is_alive_closure, _gc_timer_cm);
+      bool purged_class = SystemDictionary::do_unloading(_gc_timer_cm);
 
       // Unload nmethods.
       CodeCache::do_unloading(&_is_alive_closure, purged_class);