Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GT 630M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.57
Broken: version: 2.80 (sub 61), branch: blender2.7, commit date: 2019-05-10 22:48, hash: rBb1af68200159
Short description of error
In UV edit clicking on verticles in the left and switching to right pane clicking verticles there, and repeat a few times (sometimes directly) crashes blender. (shpere has UV from view from topview, but other shapes have the problem as wel)
Exact steps for others to reproduce the error
just click a few times in left and right pane verticles, and blender crashes.
attached there is a newly made blend file demonstrating the crash.