Bug report

Issue appears from 2.1.18
Process stuck with this code :
Level 0

`<?php
function get_array(): array
{
return [];
}

$tests = get_array();

foreach ($tests as $test) {

// information fichiers
$test['information'] = '';
$test['information'] .= $test['a'] ? 'test' : '';
$test['information'] .= $test['b'] ? 'test' : '';
$test['information'] .= $test['c'] ? 'test' : '';
$test['information'] .= $test['d'] ? 'test' : '';
$test['information'] .= $test['e'] ? 'test' : '';
$test['information'] .= $test['f'] ? 'test' : '';
$test['information'] .= $test['g'] ? 'test' : '';
$test['information'] .= $test['h'] ? 'test' : '';

}
`

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Code snippet that reproduces the problem

No response

Expected output

Working

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