1--TEST-- 2Test typed properties inherit traits with typed properties 3--FILE-- 4<?php 5trait Foo{ 6 private int $baz; 7} 8 9class Baz{ 10 use Foo; 11 12 function get(){ 13 return $this->baz; 14 } 15} 16 17var_dump((new Baz)->get()); 18--EXPECTF-- 19Fatal error: Uncaught Error: Typed property Baz::$baz must not be accessed before initialization in %s:10 20Stack trace: 21#0 %s(14): Baz->get() 22#1 {main} 23 thrown in %s on line 10 24