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To: Dmitry Stogov <dmitry@zend.com>, Levi Morrison <levim@php.net>,
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Subject: Re: [PHP-DEV] [RFC][Vote] Covariant Returns and
 ContravariantParameters
From: cmbecker69@gmx.de ("Christoph M. Becker")

On 20.12.2018 at 23:35, Dmitry Stogov wrote:

> It looks like the patch broke something related to opcache.
> 
> It crashes at least on Wordpress and Drupal.

Note that <https://bugs.php.net/76937> is still unresolved – apparently
a regression from PHP 7.2.  The testing code that triggered the problem
is still commented out[1].

> Inability to work with opcache, doesn't allow to check the performance impact.

I agree that we should carefully check the performance impact of the
proposed change.

[1]
<https://github.com/drupal/drupal/blob/8.6.x/core/tests/Drupal/KernelTests/Core/Entity/EntityQueryTest.php#L141-L144>

-- 
Christoph M. Becker