zend_ast assertion failure in class property initializer #21072
Description
Description
The following code:
<?php
class C { public $p = (unset)C::class; }
new C;Resulted in this output:
php: /path/to/php-src/Zend/zend_ast.c:817: zend_ast_evaluate_inner: Assertion `0' failed.
Aborted
Commit:
4d5b651e9003ece86b4146a0d1d12417a07eb3a3
Build configuration:
CC="clang" CXX="clang++" CFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" CXXFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" ./configure --enable-debug --enable-address-sanitizer --disable-all --enable-cli
PHP Version
PHP 8.6.0-dev (cli) (built: Jan 29 2026 14:13:52) (NTS DEBUG)
Copyright (c) The PHP Group
Zend Engine v4.6.0-dev, Copyright (c) Zend Technologies
with Zend OPcache v8.6.0-dev, Copyright (c), by Zend Technologies
Operating System
Ubuntu 22.04