===description===
loopSetIfNullWithBreakWithoutReference
===file===
<?php
                    $a = null;

                    while (rand(0, 1)) {
                        if ($a !== null) {
                            $a = 4;
                            break;
                        }

                        $a = 5;
                    }
===expect===
UnusedVariable
===ignore===
TODO
