Steps to reproduce:
1. Open the attached project(WinPhoEdited.zip)
2. Open the Assets/test.unity scene
3. Open the Assets/Spinner.cs script in Visual studio
4. Set a break point on line 11
5. Attach Visual Studio debugger
6. Play the scene
7. Make few steps and exit play mode
8. Play the scene
9. Observe the crash

Expected result: Player will enter play mode correctly, it will be possible to debug
Actual result: Unity crashes

Note:
The crash is not 100% reproducible but it reproduces very often

Reproduced with: 5.4.5p4, 5.5.4p1, 5.6.2p1, 2017.1.0f2, 2017.2.0b1