1--TEST--
2JIT ASSIGN_OP: 007 Arrays merging with return value
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.file_update_protection=0
7opcache.jit_buffer_size=1M
8--FILE--
9<?php
10function test() {
11	$a = [];
12    for ($i=0; $i < 2; $i++) {
13        $a += $a + $a += $a;
14        $a['b'] += 1;
15    }
16}
17test();
18?>
19DONE
20--EXPECTF--
21Warning: Undefined array key "b" in %sassign_op_007.php on line 6
22DONE
23