1--TEST-- 2Bug #81216_2: Nullsafe operator leaks dynamic property name 3--FILE-- 4<?php 5$a = [null]; 6$a[1] = $a[0]?->x; 7var_dump($a); 8?> 9--EXPECT-- 10array(2) { 11 [0]=> 12 NULL 13 [1]=> 14 NULL 15} 16