diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/Date/constructor-one-argument.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/Date/constructor-one-argument.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommonn.org/licenses/publicdomain/
+ */
+
+var BUGNUMBER = 738511;
+var summary =
+  "new Date(value) should call ToPrimitive on value before testing for " +
+  "string-ness";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+assertEq(new Date(new String("2012-01-31T00:00:00.000Z")).valueOf(),
+         1327968000000,
+         "Date constructor passed a String object should parse it");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");