--- a/hotspot/src/share/vm/opto/loopopts.cpp	Tue Nov 27 12:48:52 2012 -0800
+++ b/hotspot/src/share/vm/opto/loopopts.cpp	Tue Nov 27 17:24:15 2012 -0800
@@ -729,7 +729,7 @@
   for (DUIterator_Fast imax, i = region->fast_outs(imax); i < imax; i++) {
     weight += region->fast_out(i)->outcnt();
   }
-  int nodes_left = MaxNodeLimit - C->unique();
+  int nodes_left = MaxNodeLimit - C->live_nodes();
   if (weight * 8 > nodes_left) {
 #ifndef PRODUCT
     if (PrintOpto)