1--TEST--
2JIT FETCH_DIM_R: 009
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7opcache.jit_buffer_size=1M
8--FILE--
9<?php
10$ary = [[0]];
11for ($i = 2; $i < 5; $i++) {
12    var_dump($ary[0][$i>>1]);
13    $ary[0][$i] = 1;
14}
15?>
16--EXPECTF--
17Warning: Undefined array key 1 in %sfetch_dim_r_009.php on line 4
18NULL
19
20Warning: Undefined array key 1 in %sfetch_dim_r_009.php on line 4
21NULL
22int(1)
23