diff -r 614d6786ba55 -r 9caa094a485f hotspot/src/share/vm/runtime/thread.cpp
--- a/hotspot/src/share/vm/runtime/thread.cpp	Tue Jul 21 07:28:37 2015 -0700
+++ b/hotspot/src/share/vm/runtime/thread.cpp	Thu Jul 23 15:17:58 2015 -0400
@@ -2739,6 +2739,9 @@
     if (ct->env() != NULL) {
       ct->env()->metadata_do(f);
     }
+    if (ct->task() != NULL) {
+      ct->task()->metadata_do(f);
+    }
   }
 }