1--TEST--
2Abstract method in trait using "self"
3--FILE--
4<?php
5
6trait T {
7 abstract private function method(self $x): self;
8}
9
10class C {
11 use T;
12
13 private function method(self $x): self {
14 return $this;
15 }
16}
17
18?>
19===DONE===
20--EXPECT--
21===DONE===
22
