System Information
Operating system: MacOSX High Sierra
Graphics card: AMD Radeon HD 6750M

Blender Version
Broken: 2.8 BETA

Worked: (optional)

Short description of error
I assigned a particle system Hair to a simple mesh (just a plane). Default settings.
Entering in Particle Edit, Blender crashes immediately.

Exact steps for others to reproduce the error
Based on the default startup or an attached .blend file (as simple as possible).