1--TEST--
2Type inference 006: FETCH_DIM_W with invalid key type
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.optimization_level=-1
7--FILE--
8<?php
9function y() {
10    $obj=new y;
11    u($y[$obj]);
12}
13?>
14DONE
15--EXPECT--
16DONE
17