diff -r 65d07d9ee446 -r 8e47bac5643a src/share/vm/opto/subnode.cpp
--- a/src/share/vm/opto/subnode.cpp	Mon Oct 08 17:04:00 2012 -0700
+++ b/src/share/vm/opto/subnode.cpp	Tue Oct 09 10:11:38 2012 +0200
@@ -789,7 +789,7 @@
 
   // Now check for LoadKlass on left.
   Node* ldk1 = in(1);
-  if (ldk1->is_DecodeN()) {
+  if (ldk1->is_DecodeNKlass()) {
     ldk1 = ldk1->in(1);
     if (ldk1->Opcode() != Op_LoadNKlass )
       return NULL;
@@ -814,7 +814,7 @@
 
   // Check for a LoadKlass from primary supertype array.
   // Any nested loadklass from loadklass+con must be from the p.s. array.
-  if (ldk2->is_DecodeN()) {
+  if (ldk2->is_DecodeNKlass()) {
     // Keep ldk2 as DecodeN since it could be used in CmpP below.
     if (ldk2->in(1)->Opcode() != Op_LoadNKlass )
       return NULL;