--- old/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp	2014-10-17 16:28:34.000000000 +0200
+++ new/src/share/vm/gc_implementation/concurrentMarkSweep/vmCMSOperations.cpp	2014-10-17 16:28:34.000000000 +0200
@@ -197,7 +197,7 @@
       "We can only be executing this arm of if at a safepoint");
     GCCauseSetter gccs(gch, _gc_cause);
     gch->do_full_collection(gch->must_clear_all_soft_refs(),
-                            0 /* collect only youngest gen */);
+                            Generation::Young /* collect only youngest gen */);
   } // Else no need for a foreground young gc
   assert((_gc_count_before < gch->total_collections()) ||
          (GC_locker::is_active() /* gc may have been skipped */