--- old/src/share/vm/memory/universe.cpp	2012-11-12 10:52:09.744641507 -0800
+++ new/src/share/vm/memory/universe.cpp	2012-11-12 10:52:09.476644877 -0800
@@ -1321,6 +1321,8 @@
 static uintptr_t _verify_klass_data[2] = {0, (uintptr_t)-1};
 
 
+#ifndef PRODUCT
+
 static void calculate_verify_data(uintptr_t verify_data[2],
                                   HeapWord* low_boundary,
                                   HeapWord* high_boundary) {
@@ -1355,9 +1357,7 @@
   verify_data[1] = bits;
 }
 
-
 // Oop verification (see MacroAssembler::verify_oop)
-#ifndef PRODUCT
 
 uintptr_t Universe::verify_oop_mask() {
   MemRegion m = heap()->reserved_region();