--- a/src/jdk.crypto.ec/share/native/libsunec/impl/ecl_gf.c	Fri Jun 22 15:58:32 2018 -0700
+++ b/src/jdk.crypto.ec/share/native/libsunec/impl/ecl_gf.c	Fri Jun 22 23:10:36 2018 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
  * This library is free software; you can redistribute it and/or
@@ -833,6 +833,7 @@
                 MP_ADD_CARRY(b1, r1, r1, borrow, borrow);
                 MP_ADD_CARRY(b2, r2, r2, borrow, borrow);
                 MP_ADD_CARRY(b3, r3, r3, borrow, borrow);
+                MP_ADD_CARRY(b4, r4, r4, borrow, borrow);
         }
         MP_CHECKOK(s_mp_pad(r, 5));
         MP_DIGIT(r, 4) = r4;
@@ -908,6 +909,7 @@
                 MP_ADD_CARRY(b2, r2, r2, borrow, borrow);
                 MP_ADD_CARRY(b3, r3, r3, borrow, borrow);
                 MP_ADD_CARRY(b4, r4, r4, borrow, borrow);
+                MP_ADD_CARRY(b5, r5, r5, borrow, borrow);
         }
 
         MP_CHECKOK(s_mp_pad(r, 6));