--- a/hotspot/src/share/vm/memory/dump.cpp	Mon Aug 18 14:53:36 2008 -0700
+++ b/hotspot/src/share/vm/memory/dump.cpp	Tue Aug 19 06:02:07 2008 -0700
@@ -645,7 +645,7 @@
 class ClearSpaceClosure : public SpaceClosure {
 public:
   void do_space(Space* s) {
-    s->clear();
+    s->clear(SpaceDecorator::Mangle);
   }
 };