bug#65726: 29.1.50; Crash in regexp engine

[Mattias Engdegård]

> I think we can close it. What is being discussed is how to recover the 
> optimization that had to be significantly weakened to fix this patch, but it 
> was a new optimization in Emacs-29, so it's not urgent nor a bug fix.

Would you confirm that bug#61514 remains 'fixed' for practical purposes? I ran 
a few of the cases in that bug and it seems that we have them still covered, 
but I may have missed something.