GNU bug report logs - #76559
31.0.50; [-O3 + PGTK] Crash when 'copying as kill'/'killing word'

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Message #128 received at 76559 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Po Lu <luangruo <at> yahoo.com>
Cc: Pip Cet <pipcet <at> protonmail.com>, iura.mail <at> gmail.com,
 Stefan Kangas <stefankangas <at> gmail.com>, michael.albinus <at> gmx.de,
 Eli Zaretskii <eliz <at> gnu.org>, 76559 <at> debbugs.gnu.org, marian.iurie <at> gmail.com
Subject: Re: bug#76559: 31.0.50; [-O3 + PGTK] Crash when 'copying as
 kill'/'killing word'
Date: Sat, 1 Mar 2025 18:14:45 -0800

On 2025-03-01 05:43, Po Lu wrote:
> I surmise that it doesn't fix the underlying compiler issue if you add
> __attribute__ ((force_inline)) to kbd_buffer_store_buffered_event, as it
> is a product of an assumption by GCC's SRA pass that no two accesses of
> a single local aggregate declaration with the same offset and size but
> of different types alias.

I don't see why that assumption would cause GCC to generate the wrong 
code here, as no single thread of execution would have two such accesses.

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