Description:
------------
The following code crashes with PHP 8.0.2 ZTS DEBUG when opcache is enabled using opcache.jit=1205.

This happens on both Windows and Linux.

Test script:
---------------
<?php

final class Message
{
    public $qr = false;

    public $opcode = 0;

    public $aa = false;
}

echo "Starting...\n";

function headerToBinary(Message $message)
{
	$flags = 0;
	$flags = ($flags << 1) | ($message->qr ? 1 : 0);
	$flags = ($flags << 4) | $message->opcode;
	var_dump($flags);
	$flags = ($flags << 1) | ($message->aa ? 1 : 0);
}

headerToBinary(new Message());

echo "PROBLEM NOT REPRODUCED !\n";

Expected result:
----------------
Starting...
int(0)
PROBLEM NOT REPRODUCED !

Actual result:
--------------
In release mode
---------------
Starting...
UNKNOWN:0
PHP Fatal error:  Uncaught TypeError: Unsupported operand types: null << int in /home/runner/work/php-8-jit-bug-1/php-8-jit-bug-1/reproduce.php:20
Stack trace:
#0 /home/runner/work/php-8-jit-bug-1/php-8-jit-bug-1/reproduce.php(23): headerToBinary()
#1 {main}
  thrown in /home/runner/work/php-8-jit-bug-1/php-8-jit-bug-1/reproduce.php on line 20

In debug mode
-------------
Starting...
UNKNOWN:0
php: /tmp/php-build/source/8.0.2/Zend/zend_operators.c:345: zendi_try_get_long: Assertion `0' failed.
Aborted (core dumped)