Deleting segment on path with LPE corners - Crash

Summary:

... (write here)

Steps to reproduce:

• open Inkscape
• create path with 4 nodes (with bezier pen )
• add lpe corners
• add corners to all nodes
• delete middle segment with node tool control click

What happened?

crash

What should have happened?

not srush and

Sample attachments:

Version info

1.3 b win 10
1.4 master