--- old/src/share/vm/runtime/globals.hpp	Tue Nov 18 10:41:54 2008
+++ new/src/share/vm/runtime/globals.hpp	Tue Nov 18 10:41:54 2008
@@ -493,7 +493,7 @@
   develop(bool, DeoptimizeALot, false,                                      \
           "deoptimize at every exit from the runtime system")               \
                                                                             \
-  develop(ccstrlist, DeoptimizeOnlyAt, "",                                  \
+  notproduct(ccstrlist, DeoptimizeOnlyAt, "",                               \
           "a comma separated list of bcis to deoptimize at")                \
                                                                             \
   product(bool, DeoptimizeRandom, false,                                    \