--- old/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp	2014-10-17 16:09:57.000000000 +0200
+++ new/src/share/vm/gc_implementation/parNew/parOopClosures.inline.hpp	2014-10-17 16:09:57.000000000 +0200
@@ -70,7 +70,7 @@
                                         bool root_scan) {
   assert((!Universe::heap()->is_in_reserved(p) ||
           generation()->is_in_reserved(p))
-         && (generation()->level() == 0 || gc_barrier),
+         && (generation() == GenCollectedHeap::heap()->young_gen() || gc_barrier),
          "The gen must be right, and we must be doing the barrier "
          "in older generations.");
   T heap_oop = oopDesc::load_heap_oop(p);