Operating system: Windows 10
Graphics card: Nividia Geforce 940mx
(example: 2.79b release)
(example: 2.80, edbf15d3c044, blender2.8, 2018-11-28, as found on the splash screen)
Short description of error
If you have a duplicate of an object with the same object data and then want to make single user Blender crashes. It happens exactly when you check "object data" box on the pop up make single user window.
Exact steps for others to reproduce the error
Duplicate and object with alt+D - make single user on any of them by checking the box "object data - CRASH!