System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce RTX 2060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 456.55
CPU: Intel i7-7700
RAM: 16GB DDR4

Blender Version
Broken: version: 2.90.1, branch: master, commit date: 2020-09-23 06:43, hash: rB3e85bb34d0d7
Worked: I didn't try on other versions
Short description of error
Wen I choose cycles GPU and denoising Optix on the viewport it crashes

Exact steps for others to reproduce the error
1.Select cycles GPU render
2.Select Optix viewport render or automatic
3.Crash