--- old/src/cpu/zero/vm/vm_version_zero.cpp	2015-03-11 17:09:30.454215975 +0000
+++ new/src/cpu/zero/vm/vm_version_zero.cpp	2015-03-11 17:09:30.341219457 +0000
@@ -30,4 +30,11 @@
 #include "runtime/stubCodeGenerator.hpp"
 #include "vm_version_zero.hpp"
 
-// This file is intentionally empty
+
+void VM_Version::initialize() {
+  // This machine does not allow unaligned memory accesses
+  if (! FLAG_IS_DEFAULT(UseUnalignedAccesses)) {
+    warning("Unaligned memory access is not available on this CPU");
+    FLAG_SET_DEFAULT(UseUnalignedAccesses, false);
+  }
+}