--- a/hotspot/src/cpu/ppc/vm/stubGenerator_ppc.cpp	Tue Jan 28 12:28:17 2014 -0800
+++ b/hotspot/src/cpu/ppc/vm/stubGenerator_ppc.cpp	Wed Jan 29 12:22:13 2014 +0100
@@ -2052,6 +2052,10 @@
     // arraycopy stubs used by compilers
     generate_arraycopy_stubs();
 
+    if (UseAESIntrinsics) {
+      guarantee(!UseAESIntrinsics, "not yet implemented.");
+    }
+
     // PPC uses stubs for safefetch.
     generate_safefetch("SafeFetch32", sizeof(int),     &StubRoutines::_safefetch32_entry,
                                                        &StubRoutines::_safefetch32_fault_pc,