1--TEST--
2Type inference 014: ASSIGN_DIM_OP
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.optimization_level=-1
7--FILE--
8<?php
9function y() {
10    for(;;){
11        $x[y] &= y;
12        $x = false;
13        $x[""]=y;
14    }
15}
16?>
17DONE
18--EXPECT--
19DONE
20