Bug #80782 [NEW]: DASM_S_RANGE_VREG on PHP_INT_MIN-1

From: nikic Operating system: PHP version: 8.0.3RC1 Package: JIT Bug Type: Bug Bug description:DASM_S_RANGE_VREG on PHP_INT_MIN-1 Description: ------------ php -d opcache.jit_hot_func=1 <?php define('LONG_MIN', PHP_INT_MIN); var_dump(LONG_MIN-1); DASM_S_RANGE_VREG php: /home/nikic/php/php-src/ext/opcache/jit/zend_jit.c:311: handle_dasm_error: Assertion `0' failed. Aborted (core dumped) The problem seems to be that https://github.com/php/php-src/blob/fd3692ba41a6338905a38a8007ad61fa380f6fc1/ext/opcache/jit/zend_jit_x86.dasc#L4344-L4350 assumes that res_addr is an integer zval/reg, but here has been allocated to xmm0 (the result always overflows). -- Edit bug report at https://bugs.php.net/bug.php?id=80782&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80782&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80782&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80782&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80782&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80782&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80782&r=support Expected behavior: https://bugs.php.net/fix.php?id=80782&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80782&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80782&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80782&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80782&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80782&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80782&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80782&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80782&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80782&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80782&r=mysqlcfg