To reproduce:
1. Using Unity Hub create a new project using LWRP template
2. Switch platform to iOS
3. Build and run SampleScene

Expected result: Project launches successfully on device
Actual result: Errors are being spammed in the console, project doesn't launch

Error: 2018-11-30 10:31:32.275483+0200 ProductName[3560:3008885] Execution of the command buffer was aborted due to an error during execution. Caused GPU Hang Error (IOAF code 3)
On GLES:
2018-11-30 10:31:32.275638+0200 ProductName[3560:3008885] GLDRendererMetal command buffer completion error: Error Domain=MTLCommandBufferErrorDomain Code=2 "Caused GPU Hang Error (IOAF code 3)" UserInfo={NSLocalizedDescription=Caused GPU Hang Error (IOAF code 3)}
On Metal:
2019-01-08 16:08:09.223083+0100 ProductName[277:6007] Execution of the command buffer was aborted due to an error during execution. Discarded (victim of GPU error/recovery) (IOAF code 5)

Reproduced with Unity versions: 2019.1.0a10, 2018.3.0b10, 2018.3.0a11, 2019.1.0b6
Package versions: 5.7.2, 5.0.0, 5.2.1, 3.3.0

Reproduced with these devices: iPad 5th gen iOS 10.3.3, iPhone SE 10.0.1 - A9 SoC, iPad Mini 2 12.2.1 - A7 SoC, iPhone 6S Plus 10.3.2 - A9 SoC, iPhone 6S iOS 11.0 - A9 SoC, iPad Pro 10.5" A10X iOS 10.3.2

Not reproducible with these devices: iPhone XS Max iOS 12.0, iPhone 7+ iOS 11.1.1, iPhone 5s iOS 9.3.3, iPhone SE iOS 12.1.2, iPhone 6S iOS 12.1.2