Segmentation fault zend_vm_execute.h:30190

[YuanchengJiang]

Description

The following code:

<?php
namespace foo;
var_dump(class_exists('foo\bar'));

Resulted in this output:

Zend/zend_vm_execute.h:30190:8: runtime error: shift exponent 326 is too large for 32-bit type 'uint32_t' (aka 'unsigned int')
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior Zend/zend_vm_execute.h:30190:8

To reproduce:

-d "zend_extension=/php-src/modules/opcache.so" -d "opcache.enable_cli=1" -d "opcache.jit=1011"

PHP Version

nightly

Operating System

ubuntu 22.04

[nielsdos]

Duplicate of #15981