1--TEST--
2ASSIGN_STATIC_PROP_REF result should have live range
3--FILE--
4<?php
5class Test {
6    public static $prop;
7}
8Test::$prop =& $v + UNDEF;
9?>
10--EXPECTF--
11Fatal error: Uncaught Error: Undefined constant "UNDEF" in %s:%d
12Stack trace:
13#0 {main}
14  thrown in %s on line %d
15