--- old/src/share/vm/memory/defNewGeneration.cpp	2014-10-17 15:34:51.000000000 +0200
+++ new/src/share/vm/memory/defNewGeneration.cpp	2014-10-17 15:34:51.000000000 +0200
@@ -384,7 +384,7 @@
 
   int next_level = level() + 1;
   GenCollectedHeap* gch = GenCollectedHeap::heap();
-  assert(next_level < gch->_n_gens,
+  assert(next_level < gch->n_gens(),
          "DefNewGeneration cannot be an oldest gen");
 
   Generation* old_gen = gch->old_gen();