How to reproduce:

1. Open attached project
2. Open scene Scenes/Online/SOFP.unity
3. Build to iOS and run
- The build can take up to 15 minutes
4. Open the Profiler Window and attach to device
- Make note of the GfxDriver memory in the Memory Profiler
5. Go to the 'Machine Guns'
6. Select "NSV"
- Wait for it to load
- Note the GfxDriver memory
7. Click the Home button in the top left corner
- Repeat from step 5 again
- After a few repeats the device should crash with an out of memory error

- Reproduced in Version 5.4.0b15 (2e995a1aa11c) on an iPhone 6+ (iOS 9.3.1)
- Blocked from testing 5.3 and older