diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/misc/regexp-functions-with-undefined.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/misc/regexp-functions-with-undefined.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var a = /undefined/.exec();
+assertEq(a[0], 'undefined');
+assertEq(a.length, 1);
+
+a = /undefined/.exec(undefined);
+assertEq(a[0], 'undefined');
+assertEq(a.length, 1);
+
+assertEq(/undefined/.test(), true);
+assertEq(/undefined/.test(undefined), true);
+
+assertEq(/aaaa/.exec(), null);
+assertEq(/aaaa/.exec(undefined), null);
+
+assertEq(/aaaa/.test(), false);
+assertEq(/aaaa/.test(undefined), false);
+
+
+assertEq("undefined".search(), 0);
+assertEq("undefined".search(undefined), 0);
+assertEq("aaaa".search(), 0);
+assertEq("aaaa".search(undefined), 0);
+
+a = "undefined".match();
+assertEq(a[0], "");
+assertEq(a.length, 1);
+a = "undefined".match(undefined);
+assertEq(a[0], "");
+assertEq(a.length, 1);
+a = "aaaa".match();
+assertEq(a[0], "");
+assertEq(a.length, 1);
+a = "aaaa".match(undefined);
+assertEq(a[0], "");
+assertEq(a.length, 1);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);