diff -r 000000000000 -r 6474c204b198 js/src/tests/js1_8_5/regress/regress-620376-2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/js1_8_5/regress/regress-620376-2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributors: Igor Bukanov
+ */
+
+function test() {
+    var p = Proxy.create({ enumerate: function() { return { get length() { throw 1; }}; }});
+
+    try {
+	for (i in p);
+	throw new Error("an exception should be thrown");
+    } catch (e) {
+	assertEq(e, 1);
+    }
+}
+
+test();
+reportCompare(0, 0, "ok");