Bug #76074 [NEW]: opcache corrupts variable in for-loop

From: sjon at hortensius dot net Operating system: archlinux PHP version: 7.2.3 Package: opcache Bug Type: Bug Bug description:opcache corrupts variable in for-loop Description: ------------ A for-loop that uses condition $i < $x + 1 prints very weird numbers. This requires you to ENABLE the opcache and DISABLE xdebug. Test script: --------------- function test(int $nr) { for ($i = $nr; $i <= $nr + 1; $i++) var_dump($i); } test(1); Expected result: ---------------- int(1) int(2) Actual result: -------------- int(-9223372036854775808) int(-9223372036854775808) -- Edit bug report at https://bugs.php.net/bug.php?id=76074&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76074&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76074&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76074&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76074&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76074&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76074&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76074&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76074&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76074&r=support Expected behavior: https://bugs.php.net/fix.php?id=76074&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76074&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76074&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76074&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76074&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76074&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76074&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76074&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76074&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76074&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76074&r=mysqlcfg