--- old/src/cpu/aarch64/vm/macroAssembler_aarch64.hpp	2017-03-13 09:58:10.415653957 +0100
+++ new/src/cpu/aarch64/vm/macroAssembler_aarch64.hpp	2017-03-13 09:58:06.472655400 +0100
@@ -1305,6 +1305,8 @@
       spill(tmp1, true, dst_offset+8);
     }
   }
+
+  void halt();
 };
 
 #ifdef ASSERT