Reproduction steps:
1. Open attached project
2. Open the "__Battleship..." scene
3. Go to Script Execution Order (Editor -> Project Settings -> Script Execution Order)
4. Click the "+" button and add a new C# script, but don't press "Apply"
5. Play the scene (CMD+P)
6. When prompted, press "Apply"
7. Unity will crash on "GetDisplayActiveSceneName()" (check Editor.log for stack trace)

Notes: Reproduces only on OS X

Reproduced on: 5.3.0f4, 5.3.1p2, 5.4.0b1
Doesn't reproduce on: 5.2.4p1