System Information
Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.50
Blender Version
Broken: version: 2.81 (sub 16), branch: master, commit date: 2019-12-04 11:32, hash: rBf1aa4d18d49d
Short description of error
Blender crash after set custom normals rotation
Exact steps for others to reproduce the error
Open Blender > Add Mesh > Box > Enter edit mode > Alt + L > Set normals to 3D cursor (Ctrl + LMB) > Enter object mode = Blender crash
