GNU bug report logs - #61504
29.0.60; executing byte-code from previous build causes SIGSEGV crash

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Message #50 received at 61504 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: mi-ebugs <at> kismala.com, Mattias Engdegård <mattiase <at> acm.org>,
 Eli Zaretskii <eliz <at> gnu.org>, 61504 <at> debbugs.gnu.org
Subject: Re: bug#61504: 29.0.60; executing byte-code from previous build
 causes SIGSEGV crash
Date: Tue, 14 Feb 2023 20:47:28 +0000

>>> By the way, doesn't the patch switch the restoration order of 
>>> narrowing and restriction, respectively? Maybe it doesn't matter?
>>
>> Hmmm, that's a good question!  The evaluation order of parameters is 
>> unspecified in C,
>
> The problem is not in the evaluation order of params in 
> `save_restriction_save` (this order doesn't matter because the code is 
> pure), it's in `save_restriction_restore`.
>

Indeed, I initially misunderstood what Mattias said, but after reading it 
again I got it.  This is now fixed.

Thanks!

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