Bug #72762 [Asn->Csd]: Infinite loop while parsing a file with opcache enabled

Edit report at https://bugs.php.net/bug.php?id=72762&edit=1 ID: 72762 Updated by: nikic@php.net Reported by: nicolas dot grekas+php at gmail dot com Summary: Infinite loop while parsing a file with opcache enabled -Status: Assigned +Status: Closed Type: Bug Package: Scripting Engine problem Operating System: Linux PHP Version: 7.1.0beta1 Assigned To: nikic Block user comment: N Private report: N New Comment: Automatic comment on behalf of nikic Revision: http://git.php.net/?p=php-src.git;a=commit;h=fc7c81ff5484f28221c89be0847ea521b707aa8c Log: Fixed bug #72762 Previous Comments: ------------------------------------------------------------------------ [2016-08-05 13:59:10] nikic@php.net Looks like an infinite loop in type inference. ------------------------------------------------------------------------ [2016-08-05 11:54:40] nicolas dot grekas+php at gmail dot com Description: ------------ Run the test script below with: php -n -d zend_extension=opcache.so -d opcache.enable_cli=1 test.php and see php (opcache) enter an infinite loop that only kill -9 can break (note that the script is meaningless but it triggers the behavior I also had with a real longer script) Test script: --------------- <?php class foo { function bar() { $b = array(); foreach ($a as $a) { foreach ($b as $k => $v) { } $b[$k] = $v; } } } Expected result: ---------------- - Actual result: -------------- php enters an infinite loop that only kill -9 can break ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=72762&edit=1