--- old/src/share/vm/opto/library_call.cpp	2016-07-03 23:42:57.351521422 +0900
+++ new/src/share/vm/opto/library_call.cpp	2016-07-03 23:42:57.201522046 +0900
@@ -1974,7 +1974,7 @@
   // It can simplify the index computation for Arrays.copyOf
   // and similar uses of System.arraycopy.
   // First, compute the normalized version of CmpI(x, y).
-  int   cmp_op = Op_CmpI;
+  uint   cmp_op = Op_CmpI;
   Node* xkey = xvalue;
   Node* ykey = yvalue;
   Node* ideal_cmpxy = _gvn.transform(new CmpINode(xkey, ykey));