Bug #70958 [NEW]: Invalid opcode while using ::class as trait method paramater default value

From: Date: Mon, 23 Nov 2015 04:58:28 +0000
Subject: Bug #70958 [NEW]: Invalid opcode while using ::class as trait method paramater default value
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-197376@lists.php.net to get a copy of this message 
From:             laruence
Operating system: 
PHP version:      7.0.0RC7
Package:          *General Issues
Bug Type:         Bug
Bug description:Invalid opcode while using ::class as trait method paramater default value

Description:
------------
See test script

Test script:
---------------
<?php

trait Foo
{
    function bar($a = self::class) {}
}

class B {
    use Foo;
}

$b = new B;

$b->bar();

Expected result:
----------------
string(1) "C"

Actual result:
--------------
PHP-5.6: Fatal error: Invalid opcode 64/8/2. in /tmp/1.php on line 5
PHP-7.0: NULL
[Mon Nov 23 12:39:01 2015]  Script:  '/tmp/1.php'
/home/huixinchen/opensource/php-7.0/Zend/zend_string.h(121) :  Freeing
0x7FFFF8059B80 (32 bytes), script=/tmp/1.php
=== Total 1 memory leaks detected ===

-- 
Edit bug report at https://bugs.php.net/bug.php?id=70958&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=70958&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=70958&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=70958&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=70958&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=70958&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=70958&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=70958&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=70958&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=70958&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=70958&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=70958&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=70958&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=70958&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70958&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=70958&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=70958&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=70958&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=70958&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=70958&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=70958&r=mysqlcfg

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