diff -r 1f6d42899c3a -r 4ce7240d622c src/share/vm/oops/instanceRefKlass.cpp
--- a/src/share/vm/oops/instanceRefKlass.cpp	Tue Jan 05 11:16:09 2010 -0800
+++ b/src/share/vm/oops/instanceRefKlass.cpp	Wed Jan 06 14:22:39 2010 -0800
@@ -397,7 +397,7 @@
 
   // Check that we have the right class
   debug_only(static bool first_time = true);
-  assert(k == SystemDictionary::reference_klass() && first_time,
+  assert(k == SystemDictionary::Reference_klass() && first_time,
          "Invalid update of maps");
   debug_only(first_time = false);
   assert(ik->nonstatic_oop_map_count() == 1, "just checking");