--- old/src/share/vm/memory/sharedHeap.cpp	2013-03-18 09:41:48.696562482 +0100
+++ new/src/share/vm/memory/sharedHeap.cpp	2013-03-18 09:41:48.620562487 +0100
@@ -178,7 +178,7 @@
       SystemDictionary::always_strong_oops_do(roots);
       ClassLoaderDataGraph::always_strong_oops_do(roots, klass_closure, !is_scavenging);
     } else {
-      ShouldNotReachHere2("We should always have selected either SO_AllClasses or SO_SystemClasses");
+      fatal("We should always have selected either SO_AllClasses or SO_SystemClasses");
     }
   }