1--TEST--
2Register Alloction 015: Missing store
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7--FILE--
8<?php
9function foo() {
10    for ($i=0, $y = $a + $y = $a = $y %= !$y; $i < 5; $a = $y < $y = $a, $i++) {
11        4 >> -$y;
12    }
13}
14foo()
15?>
16DONE
17--EXPECTF--
18Warning: Undefined variable $y in %sreg_alloc_015.php on line 3
19
20Warning: Undefined variable $y in %sreg_alloc_015.php on line 3
21DONE
22