GNU bug report logs - #53071
28.0.90; Emacs 28 regression: incorrect code generation for complex pcase forms?

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Message #19 received at 53071-done <at> debbugs.gnu.org (full text, mbox):

From: Mattias Engdegård <mattiase <at> acm.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 53071-done <at> debbugs.gnu.org, Philipp <p.stephani2 <at> gmail.com>,
 Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Paul Pogonyshev <pogonyshev <at> gmail.com>
Subject: Re: bug#53071: 28.0.90; Emacs 28 regression: incorrect code
 generation for complex pcase forms?
Date: Wed, 12 Jan 2022 17:03:44 +0100

12 jan. 2022 kl. 16.35 skrev Mattias Engdegård <mattiase <at> acm.org>:
> 
> 12 jan. 2022 kl. 15.10 skrev Michael Heerdegen <michael_heerdegen <at> web.de>:
> 
>>> commit 1362a9fec4dff341a84c881ac17dbf1ee2cf82fd
>>> Author: Mattias Engdegård <mattiase <at> acm.org>
>>> Date:   Fri Mar 5 20:21:01 2021 +0100
>>> 
>>>   Make lambda-lifting work again
>> 
>> Not that again.  Let's CC Mattias then.
> 
> Again? In any case, that change only fixed a typo in earlier code by Stefan. More likely to be a logic error in the parent change (a350ae058cae), or in edebug.

No, you're right, it's bug#51982 again. I've backported the fix from master, which we should have done from the beginning. Paul, I'd like to say on record that listening to you would have saved us much time.

Thanks for bringing this to my attention!

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