Assertion failure in Zend/zend_execute_API.c:1022

[YuanchengJiang]

Description

The following code:

<?php
class Foo {
public function &__call($method, $args) {
}
}
$foo = new Foo;
$bar = $foo->bar(...);
$fusion = $bar;
$fiber = new Fiber($fusion);
$fiber->start();

Resulted in this output:

/php-src/Zend/zend_execute_API.c:1022: zend_result zend_call_function(zend_fcall_info *, zend_fcall_info_cache *): Assertion `(call->func->common.fn_flags & (1 << 12)) ? (zval_get_type(&(*(fci->retval))) == 10) : !(zval_get_type(&(*(fci->retval))) == 10)' failed.
Aborted (core dumped)

PHP Version

nightly

Operating System

ubuntu 22.04

[cmb69]

This doesn't look fiber specific, but is rather a general issue with functions called via zend_call_function(). We may want to skip these assertions for userland functions (I think they only have been introduced to catch errenous behavior of internal functions).

[cmb69]

Oh, no, the closure is an internal function. (albeit one with a seriously messed up function_name)