diff -r 4d1393781fef -r 1d5694c1aa03 src/jdk.internal.le/share/classes/jdk/internal/jline/console/KillRing.java
--- a/src/jdk.internal.le/share/classes/jdk/internal/jline/console/KillRing.java	Fri Jun 01 11:34:13 2018 +0200
+++ b/src/jdk.internal.le/share/classes/jdk/internal/jline/console/KillRing.java	Fri Jun 01 13:04:30 2018 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002-2013, the original author or authors.
+ * Copyright (c) 2002-2016, the original author or authors.
  *
  * This software is distributable under the BSD license. See the terms of the
  * BSD license in the documentation provided with this software.
@@ -38,7 +38,7 @@
     }
 
     /**
-     * Creates a new kill ring of the default size. {@see DEFAULT_SIZE}.
+     * Creates a new kill ring of the default size. See {@link #DEFAULT_SIZE}.
      */
     public KillRing() {
         this(DEFAULT_SIZE);
@@ -152,7 +152,7 @@
     private void prev() {
         head--;
         if (head == -1) {
-            int x = (slots.length - 1);
+            int x = slots.length - 1;
             for (; x >= 0; x--) {
                 if (slots[x] != null) {
                     break;