--- old/src/share/vm/ci/ciObjectFactory.cpp	Fri Mar 18 14:59:33 2011
+++ new/src/share/vm/ci/ciObjectFactory.cpp	Fri Mar 18 14:59:33 2011
@@ -663,7 +663,7 @@
   if (key->is_perm() && _non_perm_count == 0) {
     return emptyBucket;
   } else if (key->is_instance()) {
-    if (key->klass() == SystemDictionary::Class_klass()) {
+    if (key->klass() == SystemDictionary::Class_klass() && JavaObjectsInPerm) {
       // class mirror instances are always perm
       return emptyBucket;
     }