--- a/src/share/vm/opto/machnode.cpp	Tue Jun 18 14:23:29 2013 -0700
+++ b/src/share/vm/opto/machnode.cpp	Wed Jun 19 10:45:56 2013 +0200
@@ -349,11 +349,11 @@
   if (base == NodeSentinel)  return TypePtr::BOTTOM;
 
   const Type* t = base->bottom_type();
-  if (UseCompressedOops && Universe::narrow_oop_shift() == 0) {
+  if (t->isa_narrowoop() && Universe::narrow_oop_shift() == 0) {
     // 32-bit unscaled narrow oop can be the base of any address expression
     t = t->make_ptr();
   }
-  if (UseCompressedKlassPointers && Universe::narrow_klass_shift() == 0) {
+  if (t->isa_narrowklass() && Universe::narrow_klass_shift() == 0) {
     // 32-bit unscaled narrow oop can be the base of any address expression
     t = t->make_ptr();
   }