Operating system: Linux-4.18.0-18-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 390.116
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-06-07 12:29, hash: rBbda6f7df483f
Short description of error
If you group together strips in the VSE, Blender instantly crashes.
Exact steps for others to reproduce the error
In the VSE, add two color strips
Select both of them and group them (CTRL+G)