xref: /PHP-7.3/ext/opcache/tests/opt/dce_007.phpt (revision 9fe6b293)
1--TEST--
2DCE 007: Escaping of enclosed arrays doesn't prevent removal of enclosing array
3--INI--
4opcache.enable=1
5opcache.enable_cli=1
6opcache.optimization_level=-1
7opcache.opt_debug_level=0x20000
8--SKIPIF--
9<?php require_once('skipif.inc'); ?>
10--FILE--
11<?php
12function esc($x) {
13        $a = [$x];
14        $b = [$a];
15        return $a;
16}
17--EXPECTF--
18$_main: ; (lines=1, args=0, vars=0, tmps=0)
19    ; (after optimizer)
20    ; %sdce_007.php:1-7
21L0 (7):     RETURN int(1)
22
23esc: ; (lines=3, args=1, vars=2, tmps=0)
24    ; (after optimizer)
25    ; %sdce_007.php:2-6
26L0 (2):     CV0($x) = RECV 1
27L1 (3):     CV1($a) = INIT_ARRAY 1 (packed) CV0($x) NEXT
28L2 (5):     RETURN CV1($a)
29