--- old/src/share/vm/gc/parallel/psParallelCompact.cpp	2017-05-22 08:52:08.699059242 -0700
+++ new/src/share/vm/gc/parallel/psParallelCompact.cpp	2017-05-22 08:52:08.579059701 -0700
@@ -2169,6 +2169,8 @@
   // Global (weak) JNI handles
   JNIHandles::weak_oops_do(&oop_closure);
 
+  HeapMonitoring::do_weak_oops(&oop_closure);
+
   CodeBlobToOopClosure adjust_from_blobs(&oop_closure, CodeBlobToOopClosure::FixRelocations);
   CodeCache::blobs_do(&adjust_from_blobs);
   AOTLoader::oops_do(&oop_closure);