1--TEST--
2Ensure a class may implement two interfaces which include the same constant (due to inheritance).
3--FILE--
4<?php
5interface IA {
6    const FOO = 10;
7}
8
9interface IB extends IA {
10}
11
12class C implements IA, IB {
13}
14
15echo "Done\n";
16?>
17--EXPECT--
18Done
19