Incorrect behavior of IssetOnPropertyObjectToPropertyExistsRector

[enumag]

Bug Report

Subject	Details
Rector version	last dev-master
Installed as	composer dependency

Minimal PHP Code Causing Issue

See https://getrector.org/demo/1ebfb663-df6b-697c-ac22-45396c070a76

<?php

declare(strict_types = 1);

function x(stdClass $x) {
	if (isset($x->property)) {
        
    }
}

Responsible rules

• IssetOnPropertyObjectToPropertyExistsRector

Expected Behavior

The "fixed" code will trigger

PHP Notice:  Undefined property: stdClass::$property in ...

if the property doesn't exist.

[TomasVotruba]

Thanks 👍 We'll need a failing fixture for this rule.

Hint: try "create a test" button on demo link :)