Segmentation fault in Zend/zend_vm_execute.h

### Description

The following code:

```php
<?php
var_dump(match ($undefinedVariable) {
1, 2, 3, 4, 5 => 'foo',
default => 'bar',
});
?>
```

Resulted in this output:
```
Zend/zend_vm_execute.h:6015:2: runtime error: member access within misaligned address 0x7ff9c500501f for type 'zval' (aka 'struct _zval_struct'), which requires 8 byte alignment
0x7ff9c500501f: note: pointer points here
 00 01 00 00 00  00 a8 07 7c f9 7f 00 00  a0 50 00 c5 f9 7f 00 00  00 00 00 00 00 00 00 00  c0 93 06
             ^ 
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior Zend/zend_vm_execute.h:6015:2
```

To reproduce:
```
opcache.enable=1
opcache.enable_cli=1
opcache.jit_buffer_size=1024M
opcache.jit=0101
```


### PHP Version

PHP 8.4.0-dev

### Operating System

ubuntu 22.04

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Segmentation fault in Zend/zend_vm_execute.h #15658

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Segmentation fault in Zend/zend_vm_execute.h #15658

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