Operating system: Windows 7 64 bit Home edition
Graphics card: nVidia GeForce GTX 970, Driver version: 417.71
Broken: 2.80 beta, Date: 2019-01-11 00:00, Hash: f98e4cbedbb7, Branch: blender2.7
Short description of error
Editing this material while in rendered preview display mode in EEVEE will cause a crash. This occurs randomly during shader compilation and cannot be reproduced reliably.
Exact steps for others to reproduce the error
The most effective way to cause a crash is by plugging and unplugging the output of either the multiply node or the bump node into different inputs of the principled BSDF. It may take many tries. If it still does not occur, restarting Blender may be necessary.