Bug #70785 [NEW]: Infinite loop due to exception during identical comparison

From: nikic Operating system: PHP version: 7.0.0RC5 Package: Scripting Engine problem Bug Type: Bug Bug description:Infinite loop due to exception during identical comparison Description: ------------ The condition for whether === can generate an exception doesn't account for undef variable warning during CV fetch. <?php set_error_handler(function($no, $msg) { throw new Exception($msg); }); if ($a === null) { throw Exception('Null'); } -- Edit bug report at https://bugs.php.net/bug.php?id=70785&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70785&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70785&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70785&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70785&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70785&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70785&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70785&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70785&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70785&r=support Expected behavior: https://bugs.php.net/fix.php?id=70785&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70785&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70785&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70785&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70785&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70785&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70785&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70785&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70785&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70785&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70785&r=mysqlcfg