--- old/src/cpu/zero/vm/assembler_zero.cpp	2013-08-19 16:50:54.000000000 -0700
+++ new/src/cpu/zero/vm/assembler_zero.cpp	2013-08-19 16:50:54.000000000 -0700
@@ -50,6 +50,7 @@
 #ifdef ASSERT
 bool AbstractAssembler::pd_check_instruction_mark() {
   ShouldNotCallThis();
+  return false;
 }
 #endif
 
@@ -73,6 +74,7 @@
 RegisterOrConstant MacroAssembler::delayed_value_impl(
   intptr_t* delayed_value_addr, Register tmpl, int offset) {
   ShouldNotCallThis();
+  return RegisterOrConstant();
 }
 
 void MacroAssembler::store_oop(jobject obj) {