--- a/hotspot/src/cpu/zero/vm/assembler_zero.cpp	Mon Nov 26 15:11:55 2012 +0100
+++ b/hotspot/src/cpu/zero/vm/assembler_zero.cpp	Thu Dec 06 09:57:41 2012 -0800
@@ -46,6 +46,12 @@
   return 0;
 }
 
+#ifdef ASSERT
+bool AbstractAssembler::pd_check_instruction_mark() {
+  ShouldNotCallThis();
+}
+#endif
+
 void Assembler::pd_patch_instruction(address branch, address target) {
   ShouldNotCallThis();
 }