--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Fri May 24 14:16:41 2013 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Mon May 27 15:22:59 2013 +0200
@@ -408,6 +408,7 @@
       q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::flat_profiler));
       q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::management));
       q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::system_dictionary));
+      q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::class_loader_data));
       q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::jvmti));
       q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::code_cache));