1--TEST--
2Assign coalesce: "$a[0] ??= $a" should evaluate the right $a first
3--FILE--
4<?php
5$a[0] ??= $a;
6var_dump($a);
7?>
8--EXPECTF--
9Warning: Undefined variable $a in %sassign_coalesce_007.php on line 2
10array(1) {
11  [0]=>
12  NULL
13}
14