--- old/src/hotspot/share/gc/cms/parNewGeneration.cpp	2017-10-16 15:55:13.988954876 +0200
+++ new/src/hotspot/share/gc/cms/parNewGeneration.cpp	2017-10-16 15:55:13.744946663 +0200
@@ -45,6 +45,7 @@
 #include "gc/shared/spaceDecorator.hpp"
 #include "gc/shared/strongRootsScope.hpp"
 #include "gc/shared/taskqueue.inline.hpp"
+#include "gc/shared/weakProcessor.hpp"
 #include "gc/shared/workgroup.hpp"
 #include "logging/log.hpp"
 #include "logging/logStream.hpp"
@@ -998,6 +999,8 @@
   _gc_tracer.report_tenuring_threshold(tenuring_threshold());
   pt.print_all_references();
 
+  WeakProcessor::unlink_or_oops_do(&is_alive, &keep_alive);
+
   if (!promotion_failed()) {
     // Swap the survivor spaces.
     eden()->clear(SpaceDecorator::Mangle);