I was unable to test this, after I installed freshly build world/kernel from HEAD into 11.0 RC2 vm disk, I got
```
>> FreeBSD EFI boot block
Loader path: /boot/loader.efi
Initializing modules: ZFS UFS
Probing 5 block devices.......* done
ZFS found no pools
UFS found 1 partition
Synchronous Exception at 0x294AD3FA2A0003EC
```