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From: Alexandre Oliva <oliva@adacore.com>
To: Richard Biener <richard.guenther@gmail.com>
Cc: "Martin Liška" <mliska@suse.cz>,
	gcc-patches@gcc.gnu.org, msebor@redhat.com
Subject: Re: [PATCH] -Wdangling-pointer: don't mark SSA lhs sets as stores
Date: Thu, 09 Mar 2023 05:23:47 -0300	[thread overview]
Message-ID: <orcz5ipc30.fsf@lxoliva.fsfla.org> (raw)
In-Reply-To: <CAFiYyc2J5z8quKfgviU9hE6eqPaC26sEnEeof1KsL2kNc6fb_A@mail.gmail.com> (Richard Biener's message of "Wed, 8 Mar 2023 14:08:16 +0100")

On Mar  8, 2023, Richard Biener <richard.guenther@gmail.com> wrote:

> On Wed, Mar 8, 2023 at 2:04 PM Martin Liška <mliska@suse.cz> wrote:

>> Is the emitted warning correct?

> For the reduced testcase yes, if !aio_bh_poll_s (or !aio_bh_poll_bh)
> the stored pointer remains local.

*nod*, before the recent patch, it would have failed to issue the
warning in somewhat unpredictable circumstances.

-- 
Alexandre Oliva, happy hacker                https://FSFLA.org/blogs/lxo/
   Free Software Activist                       GNU Toolchain Engineer
Disinformation flourishes because many people care deeply about injustice
but very few check the facts.  Ask me about <https://stallmansupport.org>

      reply	other threads:[~2023-03-09  8:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-17  7:09 Alexandre Oliva
2023-02-17  7:53 ` Richard Biener
2023-02-17  8:35   ` Alexandre Oliva
2023-02-17  9:09     ` Alexandre Oliva
2023-03-03  8:30   ` Alexandre Oliva
2023-03-03 11:12     ` Richard Biener
2023-03-08 13:04       ` Martin Liška
2023-03-08 13:08         ` Richard Biener
2023-03-09  8:23           ` Alexandre Oliva [this message]

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