Editor crash after saving a new tag (by pressing Enter) in the Tags and Layers window

Mac only

Repro steps:
1) New or existing project
2) Navigate to Tags and Layers window via the drop down on a GameObject in the Inspector
3) + to add tag
4) Press Enter/Return to save
5) Crash occurs

Also occurs when pressing Enter/Return to save a component

Does not occur when clicking "Save" with mouse
Does not occur on Windows