Reproduction steps:
1. Open the attached project.
2. Play the "test" scene.
3. Click the left button in the scene.
- Console doesn't give any errors (OnDisable() is not called).
4. Click the right button in the scene.
- Message is shown in the console (OnDisable() is called).

Actual behavior:
Inconsistent OnDisable() calls (based on Asset Bundle loading order).

Reproduced with:
5.5.3p4, 2017.1.0b7

Note:
May be related to case 365283