1--TEST--
2JIT ASSIGN_DIM_OP: Cyclic dependency
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7opcache.jit_buffer_size=1M
8--FILE--
9<?php
10$a = null;
11$a[] .= $a;
12var_dump($a);
13?>
14--EXPECT--
15array(1) {
16  [0]=>
17  string(0) ""
18}
19