diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_1/strict/12.2.1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_1/strict/12.2.1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,75 @@
+// |reftest| skip-if(Android)
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+/*
+ * In strict mode code, 'let' and 'const' declarations may not bind
+ * 'eval' or 'arguments'.
+ */
+assertEq(testLenientAndStrict('let eval;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('let x,eval;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('let arguments;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('let x,arguments;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('const eval;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('const x,eval;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('const arguments;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('const x,arguments;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+
+/*
+ * In strict mode code, 'let' declarations appearing in 'for'
+ * or 'for in' statements may not bind 'eval' or 'arguments'.
+ */
+assertEq(testLenientAndStrict('for (let eval in [])break;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('for (let [eval] in [])break;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('for (let {x:eval} in [])break;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('for (let arguments in [])break;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('for (let [arguments] in [])break;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+assertEq(testLenientAndStrict('for (let {x:arguments} in [])break;',
+                              parsesSuccessfully,
+                              parseRaisesException(SyntaxError)),
+         true);
+
+reportCompare(true, true);