diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/misc/unicode-identifier-1d17.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/misc/unicode-identifier-1d17.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var o = {}
+try {
+    eval('o.\\u1d17 = 42;');
+}
+catch (e) {
+    assertEq('should not fail', true);
+}
+assertEq(o['\u1d17'], 42);
+
+if (typeof reportCompare == 'function')
+    reportCompare(true, true);