Operating system: Ubuntu 18.04.1 LTS
Graphics card: NVidia GeForce GTX 680
This is how the object looks after opening in 2.80 (aca13040dac, 2018-12-13). Its geometry has spikes not originally present. This issue affects many different objects I have in my scenes with multires modifier.
In 2.79b release the file opens as expected:
Exact steps for others to reproduce the error
Just open attached .blend in 2.80 and you will see broken geometry.