--- /dev/null
+--TEST--
+URL barfs on punycode
+--SKIPIF--
+<?php
+include "./skipif.inc";
+?>
+--FILE--
+<?php
+echo "Test\n";
+echo new http\Url("http://www.xn--kln-sna.de"), "\n";
+?>
+===DONE===
+--EXPECT--
+Test
+http://www.xn--kln-sna.de/
+===DONE===