--- old/src/cpu/zero/vm/stubGenerator_zero.cpp	2014-09-11 23:19:43.000000000 +0200
+++ new/src/cpu/zero/vm/stubGenerator_zero.cpp	2014-09-11 23:19:43.000000000 +0200
@@ -207,6 +207,7 @@
     StubRoutines::_atomic_xchg_ptr_entry     = ShouldNotCallThisStub();
     StubRoutines::_atomic_cmpxchg_entry      = ShouldNotCallThisStub();
     StubRoutines::_atomic_cmpxchg_ptr_entry  = ShouldNotCallThisStub();
+    StubRoutines::_atomic_cmpxchg_byte_entry = ShouldNotCallThisStub();
     StubRoutines::_atomic_cmpxchg_long_entry = ShouldNotCallThisStub();
     StubRoutines::_atomic_add_entry          = ShouldNotCallThisStub();
     StubRoutines::_atomic_add_ptr_entry      = ShouldNotCallThisStub();