1--TEST--
2OSS-Fuzz #371445205 (Heap-use-after-free in attr_free)
3--FILE--
4<?php
5#[Attribute]
6class MyAttrib{}
7#[MyAttrib(notinterned:'')]
8class Test1{}
9$attr=(new ReflectionClass(Test1::class))->getAttributes()[0];
10try {
11    $attr->newInstance();
12} catch (Error $e) {
13    echo $e->getMessage(), "\n";
14}
15?>
16--EXPECT--
17Unknown named parameter $notinterned
18