Steps to repro:

1. Open attached project and 't1TerrainSimple' scene;
2. Open Lighting window (Window>Lighting>Settings);
3. Press 'Generate Lighting' button in the Lighting window.

Actual result:
Editor crashes. Last calls from the stacktrace:

0x00007FFE5B3BC029 (d3d11) CreateDirect3D11SurfaceFromDXGISurface
0x000000014214E0BB (Unity) GfxDeviceD3D11Base::BindBuffersForDraw
0x00000001421547DB (Unity) GfxDeviceD3D11Base::DrawBuffers
0x00000001421CB8B8 (Unity) GfxDeviceWorker::RunCommand
0x00000001421CE75B (Unity) GfxDeviceWorker::RunExt
0x00000001421CE894 (Unity) GfxDeviceWorker::RunGfxDeviceWorker
0x0000000140A6D528 (Unity) Thread::RunThreadWrapper
0x00007FFE64724334 (KERNEL32) BaseThreadInitThunk
0x00007FFE64A2F881 (ntdll) RtlUserThreadStart

Regression introduced in Unity 2018.2.0a2.

Expected result:
Editor doesn't crash after pressing 'Generate lighting' button.

Notes:
- Reproducible in Unity 2018.2.0a7, 2018.2.0a6, 2018.2.0a2;
- Not reproducible in Unity 2018.2.0a1;
- Reproducible on Windows and Mac;
- Crash happens always with Realtime GI is checked; nщt happens with Baked GI;
- Not reproducible when other editor visualizations are set (Albedo, Lit Clustering, etc).