Operating system: Win 10 Pro
Graphics card: AMD Redeon HD 8400 / R3 Series
Broken: (example: 2.80, 054dbb833e15, master, 2019-07-03, as found on the splash screen)
Short description of error
Face Selection Color will be removed when, selection a face in edit mode by on of the selection method (vertics/edges/faces) and pressing double G for sliding the vertices...
Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).
See the attach gif anim