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Assertion in ZEND_DO_FCALL: reference returned by &__get() reaches property hook TMP result #25314

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Description

@YuanchengJiang

Description

The following code:

<?php
class P {
    public int $d = 1;
    function &__get($name) {}
}
class C extends P {
    public int $d = 2 { get => parent::$d::get(); }
}
class GC extends C {
    public int $d { get => parent::$d::get(); }
}
var_dump((new GC)->d);

Resulted in this output:

php: Zend/zend_vm_execute.h:2172: const zend_op *ZEND_DO_FCALL_SPEC_RETVAL_USED_HANDLER(zend_execute_data *, const zend_op *): Assertion `opline->result_type != (1<<1) || !(zval_get_type(&(*(ret))) == 10)' failed.
Aborted (core dumped)

To reproduce: ./sapi/cli/php test.php

Commit:

33a61f765a94e018a8d55d962a73e8c8331ee256

Configurations:

CC="clang-12" CXX="clang++-12" CFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" CXXFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" ./configure --enable-debug --enable-address-sanitizer --enable-undefined-sanitizer --enable-re2c-cgoto --enable-zts --enable-bcmath --enable-calendar --enable-dba --enable-dl-test --enable-exif --enable-ftp --enable-gd --enable-gd-jis-conv --enable-mbstring --enable-pcntl --enable-shmop --enable-soap --enable-sockets --enable-sysvmsg --enable-zend-test --with-zlib --with-bz2 --with-curl --with-enchant --with-gettext --with-gmp --with-mhash --with-ldap --with-libedit --with-readline --with-snmp --with-sodium --with-xsl --with-zip --with-mysqli --with-pdo-mysql --with-pdo-pgsql --with-pgsql --with-sqlite3 --with-pdo-sqlite --with-webp --with-jpeg --with-freetype --enable-sigchild --with-pcre-jit --with-iconv

Operating System:

Ubuntu 20.04 Host, Docker 0599jiangyc/flowfusion:latest

This report is automatically generated by FlowFusion

PHP Version

nightly

Operating System

No response

Activity

  1. ndossche commented on Nov 8, 2026

    @ndossche
    Member

    Only reproduces in 8.6+.

  2. self-assigned this
    on Nov 8, 2026
  3. added 2 commits that reference this issue on Nov 8, 2026
    9afb81f
    a53dd72
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