--- old/src/share/vm/opto/compile.cpp	2016-07-03 23:42:53.408537810 +0900
+++ new/src/share/vm/opto/compile.cpp	2016-07-03 23:42:53.264538409 +0900
@@ -2870,7 +2870,7 @@
       if (t->isa_oopptr() || t->isa_klassptr()) {
         Node* nn = NULL;
 
-        int op = t->isa_oopptr() ? Op_ConN : Op_ConNKlass;
+        uint op = t->isa_oopptr() ? Op_ConN : Op_ConNKlass;
 
         // Look for existing ConN node of the same exact type.
         Node* r  = root();