System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 1060/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 417.35

Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-18 14:52, hash: rB38d4483c6a51
Worked: (optional)

Short description of error
Recurrent crash when working in Sculpting mode. Often happens when toggling Edit mode (TAB) or simply by sculpting.

Exact steps for others to reproduce the error

• Have a mesh in the scene with Subdivision and Mirror modifiers.
• Toggle from Modeling to Sculpting mode.
• Press TAB multiple times of simply sculpt.
• I have recuurent crash with no autosave file.