1--TEST--
2JIT ASSIGN_DIM_OP: Undefined variable
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7--EXTENSIONS--
8opcache
9--FILE--
10<?php
11$a[] &= 1;
12?>
13--EXPECTF--
14Warning: Undefined variable $a in %s on line %d
15