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