diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/Function/10.2.1.1.6.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/Function/10.2.1.1.6.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+function strictThis() { 'use strict'; return this; }
+
+/* Check that calls of flat closure slots get the right |this|. */
+function flat(g) {
+    function h() { return g(); }
+    return h;
+}
+assertEq(flat(strictThis)(), undefined);
+
+/* Check that calls up upvars get the right |this|. */
+function upvar(f) {
+    function h() {
+        return f(); 
+    }
+    return h();
+}
+assertEq(upvar(strictThis), undefined);
+
+/* Check that calls to with-object properties get an appropriate 'this'. */
+var obj = { f: strictThis };
+with (obj) {
+    /* 
+     * The method won't compile anything containing a 'with', but it can
+     * compile 'g'.
+     */
+    function g() { return f(); }
+    assertEq(g(), obj);
+}
+
+reportCompare(true, true);