diff -r ef1795cd50a7 -r a34ef8968a84 hotspot/src/share/vm/c1/c1_globals.hpp
--- a/hotspot/src/share/vm/c1/c1_globals.hpp	Wed Sep 22 23:51:03 2010 -0700
+++ b/hotspot/src/share/vm/c1/c1_globals.hpp	Tue Dec 29 19:08:54 2009 +0100
@@ -216,9 +216,6 @@
   develop(bool, DeoptC1, true,                                              \
           "Use deoptimization in C1")                                       \
                                                                             \
-  develop(bool, DeoptOnAsyncException, true,                                \
-          "Deoptimize upon Thread.stop(); improves precision of IR")        \
-                                                                            \
   develop(bool, PrintBailouts, false,                                       \
           "Print bailout and its reason")                                   \
                                                                             \