Crash on redo ( using shortcuts )

Steps to reproduce:

• open Inkscape
• File > Open... > highlightcolor.svg
• select both stars
• Ctrl-K (Path > Combine)
• Open Xml Editor Dialog and Selectors Dialog (Object > Selectors and CSS...)
• Ctrl-Z (Edit > Undo)
• Ctrl-Y (Edit > Redo)

What happened?

Crash ("Inkscape encountered an internal error and will close now.")

What should have happened?

Redo and no crash.

Inkscape Version and Operating System:

• Inkscape Version: 1.0alpha (1602477d, 2019-03-15, custom)
• Operating System: Linux 5.0.0-arch1-1-ARCH SMP PREEMPT Mon Mar 4 14:11:43 UTC 2019 x86_64 GNU/Linux