bug#72692: Emacs 31.05 (40eecd594ac) get SIGSEGV on Linux (Linux 6.6.45 Kde Wayland)

[Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

Eli Zaretskii <eliz@gnu.org> writes:

>> Cc: pipcet@protonmail.com, execvy@gmail.com, 72692@debbugs.gnu.org,
>>  juri@linkov.net
>> Date: Thu, 29 Aug 2024 15:26:07 +0300
>> From: Eli Zaretskii <eliz@gnu.org>
>> 
>> > From: Po Lu <luangruo@yahoo.com>
>> > Cc: Juri Linkov <juri@linkov.net>,  pipcet@protonmail.com,
>> >   execvy@gmail.com,  72692@debbugs.gnu.org
>> > Date: Thu, 29 Aug 2024 20:06:17 +0800
>> > 
>> > Eli Zaretskii <eliz@gnu.org> writes:
>> > 
>> > > Po Lu, is there any reason why frame-parameter handlers for GUI frames
>> > > should ignore the fact that the new value of a parameter is exactly
>> > > equal to the old value?  Is there some subtle issue here, and if so,
>> > > does it affect all the parameters or only some?
>> > 
>> > No reason occurs to me why redundant changes shouldn't be discarded in
>> > the case of alpha-background, but modifications to other parameters
>> > (e.g. Qfullscreen) always trigger recomputation of various window
>> > manager properties and states, which is not redundant when these
>> > properties change without Emacs's knowledge.
>> 
>> OK, I was aware of the issues with Qfullscreen.
>> 
>> But what about the rest?  Would you mind reviewing the other handlers
>> in frame.c, and telling which ones should do their thing regardless of
>> whether the old and the new value of the parameter are identical?
>
> Ping!

I will, but after the release.  I'm a little drained of energy for these
matters at the moment.