Bug #72762 [NEW]: Infinite loop while parsing a file with opcache enabled

From: nicolas dot grekas+php at gmail dot com Operating system: Linux PHP version: 7.1.0beta1 Package: Scripting Engine problem Bug Type: Bug Bug description:Infinite loop while parsing a file with opcache enabled 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 bug report at https://bugs.php.net/bug.php?id=72762&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72762&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72762&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72762&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=72762&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=72762&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=72762&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=72762&r=needscript Try newer version: https://bugs.php.net/fix.php?id=72762&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=72762&r=support Expected behavior: https://bugs.php.net/fix.php?id=72762&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=72762&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=72762&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=72762&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72762&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=72762&r=dst IIS Stability: https://bugs.php.net/fix.php?id=72762&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=72762&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=72762&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=72762&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=72762&r=mysqlcfg