--- old/src/cpu/x86/vm/macroAssembler_x86.hpp	2016-01-11 14:39:02.473968823 +0100
+++ new/src/cpu/x86/vm/macroAssembler_x86.hpp	2016-01-11 14:39:02.161968838 +0100
@@ -529,6 +529,8 @@
     Label&   slow_case                 // continuation point if fast allocation fails
   );
   Register tlab_refill(Label& retry_tlab, Label& try_eden, Label& slow_case); // returns TLS address
+  void zero_memory(Register address, Register length_in_bytes, int offset_in_bytes, Register temp);
+
   void incr_allocated_bytes(Register thread,
                             Register var_size_in_bytes, int con_size_in_bytes,
                             Register t1 = noreg);