Steps to reproduce:
1) Download attached project and open in Unity
2) Make sure Multithreaded Rendering is enabled in the Player Settings
3) Build and run project on a device
4) Focus back on Unity Editor and connect iOS device to the Frame Debugger
5) Enable Frame Debugger and go through the Events
Observe device screen while you going through the events and you will see that
meshes of the object are almost black and orientation is changed 180*

Expected result: Meshes of the object should be visible (rendered with materials etc) while going through the events (check attached image "expected.png")
Actual result: Meshes are not visible(black) while going through the events (check attached image "actual.png")

Reproduced with:
5.6.4p3, 2017.1.2p3, 2017.2.0p3, 2017.3.0b11, 2018.1.0a5

Devices under test:
Reproduced with:
[000037] iPad Mini 2 9.3.1, OS: 9.3.4
iPhone 7 Plus, OS: 11.1.1

Not reproduced with:
[0143] Samsung Galaxy S8 [SM G950F*, Mali - G71