1--TEST--
2JIT FETCH_DIM_R: 009
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7--FILE--
8<?php
9$ary = [[0]];
10for ($i = 2; $i < 5; $i++) {
11    var_dump($ary[0][$i>>1]);
12    $ary[0][$i] = 1;
13}
14?>
15--EXPECTF--
16Warning: Undefined array key 1 in %sfetch_dim_r_009.php on line 4
17NULL
18
19Warning: Undefined array key 1 in %sfetch_dim_r_009.php on line 4
20NULL
21int(1)
22