1--TEST--
2Range inference 019:
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.optimization_level=-1
7--FILE--
8<?php
9function test() {
10    $a = $y = null;
11    for($cnt = 0; $cnt < 6; $cnt++) {
12        $e = $a-- + $a *= $a;
13        $a-- + $y -= $e;
14        $a-- + $a *= $a;
15        $a-- + $a *= $a;
16    }
17}
18test();
19?>
20DONE
21--EXPECTF--
22
23Warning: Decrement on type null has no effect, this will change in the next major version of PHP in %sinference_019.php on line %d
24DONE
25