[php-src] Issue #20718: PHP on Solaris with opcache.enable=1 and opcache.jit=1205 gets Fatal Error Insufficient shared memory!

Issue: https://github.com/php/php-src/issues/20718
Author: psumbera

### Description

PHP 8.4 with `php.ini` containing:

```
zend_extension=opcache
```
and
```
[opcache]
opcache.enable=1
opcache.jit=1205
```
I get from Apache HTTP server following error:
```
Tue Dec 16 12:45:58 2025 (1): Fatal Error Insufficient shared memory!
```


### PHP Version

```plain
PHP 8.4.14 (cli) (built: Dec 16 2025 13:54:52) (ZTS)
Copyright (c) The PHP Group
Zend Engine v4.4.14, Copyright (c) Zend Technologies
    with Zend OPcache v8.4.14, Copyright (c), by Zend Technologies
```

### Operating System

Solaris 11.4