--- old/src/share/vm/opto/gcm.cpp	Tue Jul 26 19:26:57 2011
+++ new/src/share/vm/opto/gcm.cpp	Tue Jul 26 19:26:57 2011
@@ -1137,7 +1137,7 @@
 
     // No uses, just terminate
     if (self->outcnt() == 0) {
-      assert(self->Opcode() == Op_MachProj, "sanity");
+      assert(self->is_MachProj(), "sanity");
       continue;                   // Must be a dead machine projection
     }