diff -r f3806614494a -r cfd05ec74089 src/cpu/zero/vm/globalDefinitions_zero.hpp
--- a/src/cpu/zero/vm/globalDefinitions_zero.hpp	Fri Sep 13 22:50:47 2013 +0200
+++ b/src/cpu/zero/vm/globalDefinitions_zero.hpp	Wed Sep 18 14:34:56 2013 -0700
@@ -28,4 +28,10 @@
 
 #include <ffi.h>
 
+// Indicates whether the C calling conventions require that
+// 32-bit integer argument values are properly extended to 64 bits.
+// If set, SharedRuntime::c_calling_convention() must adapt
+// signatures accordingly.
+const bool CCallingConventionRequiresIntsAsLongs = false;
+
 #endif // CPU_ZERO_VM_GLOBALDEFINITIONS_ZERO_HPP