diff -r 65d07d9ee446 -r 8e47bac5643a src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Mon Oct 08 17:04:00 2012 -0700
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Tue Oct 09 10:11:38 2012 +0200
@@ -222,7 +222,7 @@
   // depends on this property.
   debug_only(
     FreeChunk* junk = NULL;
-    assert(UseCompressedOops ||
+    assert(UseCompressedKlassPointers ||
            junk->prev_addr() == (void*)(oop(junk)->klass_addr()),
            "Offset of FreeChunk::_prev within FreeChunk must match"
            "  that of OopDesc::_klass within OopDesc");