--- old/src/share/vm/runtime/globals.hpp	2009-12-09 14:33:44.000000000 -0600
+++ new/src/share/vm/runtime/globals.hpp	2009-12-09 14:33:44.000000000 -0600
@@ -420,6 +420,10 @@
           "Compiled methods which throws/catches exceptions will be "       \
           "deopt and intp.")                                                \
                                                                             \
+  product(bool, CheckExceptionEventsNeeded, true,                           \
+          "Check whether exception events are really enabled"               \
+          "so we can avoid unnecssary deoptimization")                      \
+                                                                            \
   develop(bool, NoYieldsInMicrolock, false,                                 \
           "Disable yields in microlock")                                    \
                                                                             \