--- old/src/share/vm/opto/compile.cpp	2012-11-12 10:52:09.740641557 -0800
+++ new/src/share/vm/opto/compile.cpp	2012-11-12 10:52:09.480644827 -0800
@@ -2078,12 +2078,14 @@
   int  get_inner_loop_count() const { return _inner_loop_count; }
 };
 
+#ifdef ASSERT
 static bool oop_offset_is_sane(const TypeInstPtr* tp) {
   ciInstanceKlass *k = tp->klass()->as_instance_klass();
   // Make sure the offset goes inside the instance layout.
   return k->contains_field_offset(tp->offset());
   // Note that OffsetBot and OffsetTop are very negative.
 }
+#endif
 
 // Eliminate trivially redundant StoreCMs and accumulate their
 // precedence edges.