--- old/src/cpu/aarch64/vm/aarch64.ad	2016-04-25 15:14:57.975589073 +0200
+++ new/src/cpu/aarch64/vm/aarch64.ad	2016-04-25 15:14:56.916593667 +0200
@@ -3077,7 +3077,7 @@
       assert((src_lo_rc != rc_int && dst_lo_rc != rc_int), "sanity");
       if (src_lo_rc == rc_stack && dst_lo_rc == rc_stack) {
         // stack->stack
-        assert((src_offset & 7) && (dst_offset & 7), "unaligned stack offset");
+        assert((src_offset & 7) == 0 && (dst_offset & 7) == 0, "unaligned stack offset");
         if (ireg == Op_VecD) {
           __ unspill(rscratch1, true, src_offset);
           __ spill(rscratch1, true, dst_offset);