bug#61730: 30.0.50; Compiler warnings for delq and delete

[Mattias Engdegård]

20 maj 2023 kl. 03.57 skrev Michael Heerdegen <michael_heerdegen@web.de>:

> The delq and delete warnings are enabled now, and we got a question
> about this in emacs-help (by T.V. Raman) that I tried to answer, but it
> was about a (slightly doubtful) false positive.
> 
> Let's see if there is more outcome.

I changed a few spots of murky code that were nevertheless probably (?) false 
positives, so that the result is unequivocally better or at least no worse, in 
0de472e04f.

Some of the remaining warnings point to what appear to be clear bugs. Those 
should be fixed no matter what.