Steps to repro:
1. Open attached project and 'repro' scene on OSX;
2. In the Hierarchy select 'Light Probe group' gameobject.

Actual result:
Editor crashes with empty stacktrace. See attached video.
Regression introduced in 2019.2.0a2.

Expected result:
Editor doesn't crash after selecting the light probe group gameobject.

Notes:
- Reproducible in 2019.2.0a4, 2019.2.0a3, 2019.2.0a2;
- Not reproducible in 2019.2.0a1, 2019.1.0b2, 2018.3.5f1;
- Reproducible only on OSX 10.13.4, not reproducible on Windows;
- Not reproducible in the new project with the light probe group added; the issue is specific to the current project.