--- old/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	2015-03-31 20:23:54.000000000 +0200
+++ new/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	2015-03-31 20:23:54.000000000 +0200
@@ -596,8 +596,6 @@
   // and handle marks.
   ResourceMark rm;
   HandleMark hm;
-  // We would need multiple old-gen queues otherwise.
-  assert(gch->n_gens() == 2, "Par young collection currently only works with one older gen.");
 
   ParScanThreadState& par_scan_state = _state_set->thread_state(worker_id);
   assert(_state_set->is_valid(worker_id), "Should not have been called");
@@ -922,8 +920,6 @@
                                    workers->active_workers(),
                                    Threads::number_of_non_daemon_threads());
   workers->set_active_workers(active_workers);
-  assert(gch->n_gens() == 2,
-         "Par collection currently only works with single older gen.");
   _old_gen = gch->old_gen();
 
   // If the next generation is too full to accommodate worst-case promotion