**System Information**
Operating system: Linux-5.13.0-20-generic-x86_64-with-glibc2.34 64 Bits
Graphics card: NVIDIA GeForce RTX 2080 SUPER/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 470.74
**Blender Version**
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-10-29 14:55, hash: `rBdcdbaf89bd11`
Worked: not sure
**Short description of error**
When using mesh separate blender will close with a "segmentation fault" message in terminal.
**Exact steps for others to reproduce the error**
Open blender, select default cube and enter in edit mode, select some vertices and press P to separate. Blender will close.