diff -r 50fdb38839eb -r 41b780b43b74 src/cpu/zero/vm/globals_zero.hpp
--- a/src/cpu/zero/vm/globals_zero.hpp	Tue Nov 26 18:38:19 2013 -0800
+++ b/src/cpu/zero/vm/globals_zero.hpp	Wed Nov 27 16:16:21 2013 -0800
@@ -38,6 +38,7 @@
 define_pd_global(bool,  NeedsDeoptSuspend,    false);
 
 define_pd_global(bool,  ImplicitNullChecks,   true);
+define_pd_global(bool,  TrapBasedNullChecks,  false);
 define_pd_global(bool,  UncommonNullCast,     true);
 
 define_pd_global(intx,  CodeEntryAlignment,   32);