Description:
------------
See test script, or https://3v4l.org/Tti7T
Works on PHP < 7.3

Test script:
---------------
<?php

trait T1
{
    protected function aa() { echo 123; }
}

trait T2
{
    use T1 {
        aa as public;
    }
}

class A
{
    use T1;
}

class B extends A
{
    use T2;
}

$b = new B();
$b->aa();

Expected result:
----------------
123

Actual result:
--------------
Fatal error: Uncaught Error: Call to protected method A::aa() from context ''