Steps to reproduce:
- Download the demo world MCPE-79960 demo.mcworld and open it. Note: There are two nearly identical copies of a partial automatic chicken farm/cooker. The only difference between them is what kind of block is behind the lava blade.
- On each farm in turn, toggle the lever to activate the egg dispenser. After two or more chicks have hatched, toggle the lever off again.
- Feed seeds to one of the chicks until it turns into an adult chicken.
In both farms, the adult chicken gets cooked by the lava, and the remaining chicks are left alone.
The left farm works as expected, while in the right one the remaining chicks are burned up along with the new adult.