php-8.0.30-src/Zend/tests/bug70958.phpt

--TEST--
Bug #70958 (Invalid opcode while using ::class as trait method parameter default value)
--FILE--
<?php
trait Foo
{
    function bar($a = self::class) {
        var_dump($a);
    }
}

class B {
    use Foo;
}

$b = new B;

$b->bar();
?>
--EXPECT--
string(1) "B"