--- old/src/share/vm/memory/generation.cpp	2014-10-17 15:27:19.000000000 +0200
+++ new/src/share/vm/memory/generation.cpp	2014-10-17 15:27:19.000000000 +0200
@@ -161,9 +161,8 @@
 
 Generation* Generation::next_gen() const {
   GenCollectedHeap* gch = GenCollectedHeap::heap();
-  int next = level() + 1;
-  if (next < gch->_n_gens) {
-    return gch->get_gen(next);
+  if (level() == 0) {
+    return gch->old_gen();
   } else {
     return NULL;
   }