diff -r 1221086f1ba5 src/ov-typeinfo.cc
--- a/src/ov-typeinfo.cc	Mon Dec 05 16:08:13 2011 -0500
+++ b/src/ov-typeinfo.cc	Mon Dec 05 14:24:48 2011 -0800
@@ -46,8 +46,10 @@
     {
       instance = new octave_value_typeinfo ();
 
+#if 0
       if (instance)
         singleton_cleanup_list::add (cleanup_instance);
+#endif
     }
 
   if (! instance)