--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/es6/let_const_reuse.js	Mon Sep 08 15:37:50 2014 +0400
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * JDK-8057678: Tests for let&const keywords in Nashorn
+ *
+ * @test
+ * @run
+ * @option --language=es6
+ * @option -scripting
+ */
+
+function tryIt (code) {
+     try {
+         eval(code)
+     } catch (e) {
+         print(e)
+     }
+}
+
+tryIt(<<CODE
+    let a = 23
+    if (true) {
+        a--
+        let a = 43;
+    }
+CODE)
+
+tryIt(<<CODE
+    const a = 23
+    if (true) {
+        a--
+        const a = 43;
+    }
+CODE)
+
+tryIt(<<CODE
+    let a = 23
+    if (true) {
+        a--
+        const a = 43;
+    }
+CODE)
+
+tryIt(<<CODE
+    const a = 23
+    if (true) {
+        a--
+        let a = 43;
+    }
+CODE)