Reproduction steps:
1. Open project attached(LowFPS.zip)
2. Open scene "ExampleFSMScene" from Assets -> Unity -> Editor -> FSMExample
3. Disable particle system.
4. Press play.
5. Wait till error appears (game should get paused, so press click on pause button to continue). Repeat twice.
6. Enable particle system.
7. Press on Errors that appeared (there should be low fps, you can adjust it by changing the amount of particles).
8. Inspect hierarchy when pressing on errors.

Expected result: Object that caused error will be shown instantly in hierarchy.
Actual result: It takes some time to get to the selected object.

Reproduced on: 5.6.0b3, 5.6.0f2, 2017.1.0a5.
Works fine in: 5.5.2p4.
Regression introduced in: 5.6.