Launching a Project which uses Depth of Field crashes to Home Screen on iOS8 device

When depth of field is activated in a project running on an iOS 8 device, the project will close to the Home Screen.

--Quick Repro -

1. Open the attached Project
2. Launch on an iOS device

--Full Repro -

1. Open a Blank Project with NO Starter Content
2. Add a Cube to the level Map
3. Add an Unbound Post Process Volume to the level
4. Assign a Bokeh DoF
5. Launch on iOS device

RESULTS: Attempts to open, closes to Home Screen

EXPECTED: Project opens on iOS device with DoF working

Depth of Field Crash on iOS 8 since 4.8