1--TEST--
2JIT ASSIGN_DIM_OP: Undefined variable variation
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7opcache.jit_buffer_size=1M
8--FILE--
9<?php
10$a = [];
11$a[] &= $b;
12?>
13--EXTENSIONS--
14opcache
15--EXPECTF--
16Warning: Undefined variable $b in %s on line %d
17