Description:
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Using WinCache 1.1.0 VC9 NTS x86, equivalent PHP 5.3.9 version (reproducable on 5.3.8 too). Windows has all updates to date (in case that's relevant).

Any call to wincache_lock() crashes PHP. I've tested this when running PHP from CLI. I don't know if it applies on other SAPIs as well, but even if it doesn't, the CLI is a vital SAPI, because it is used by both PHPUnit and PHPT, so because of this crash, any code calling wincache_lock() is currently untestable in any (automated) way.

Wincache is the only enabled extension requred for the test code below to cause a crash on CLI.

I'm not sure how I can get detailed information on the crash, as the crash window just says it will notify me for solutions and asks me to close.

Test script:
---------------
<?php
wincache_lock('w');
wincache_unlock('w');
?>

Expected result:
----------------
A silent exit with no crashes.

Actual result:
--------------
PHP crashes.