--- old/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	2013-05-27 15:27:56.000000000 +0200
+++ new/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	2013-05-27 15:27:56.000000000 +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));