diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/strict/12.10.1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/strict/12.10.1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,30 @@
+/* -*- 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/
+ */
+
+/*
+ * 'with' statements are forbidden in strict top-level code. This is
+ * eval code, but that's close enough.
+ */
+assertEq(testLenientAndStrict('with (1) {}',
+                              completesNormally,
+                              raisesException(SyntaxError)),
+         true);
+
+/* 'with' statements are forbidden in strict function code. */
+assertEq(testLenientAndStrict('function f() { "use strict"; with (1) {} }',
+                              parseRaisesException(SyntaxError),
+                              parseRaisesException(SyntaxError)),
+         true);
+                              
+/*
+ * A use strict directive in a function mustn't affect the strictness
+ * of subsequent code.
+ */
+assertEq(parsesSuccessfully('function f() { "use strict"; }; with (1) {}'),
+         true);
+
+reportCompare(true, true);