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From: Eric Botcazou <botcazou@adacore.com>
To: Jonathan Wakely <jwakely@redhat.com>
Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org
Subject: Re: [committed] libstdc++: Fix compare_exchange_padding.cc test for std::atomic_ref
Date: Mon, 31 Oct 2022 18:03:21 +0100	[thread overview]
Message-ID: <8176183.NyiUUSuA9g@fomalhaut> (raw)
In-Reply-To: <CACb0b4=ojOV9b3vX=282RirYHH=CzBCjdBktojisX7_jL408dg@mail.gmail.com>

> I suppose we could use memcmp on the as variable itself, to inspect
> the actual stored padding rather than the returned copy of it.

Yes, that's probably the only safe stance when optimization is enabled.

-- 
Eric Botcazou



  reply	other threads:[~2022-10-31 17:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-16 20:21 Jonathan Wakely
2022-10-31 15:34 ` Eric Botcazou
2022-10-31 15:37   ` Jonathan Wakely
2022-10-31 17:03     ` Eric Botcazou [this message]
2022-10-31 17:05       ` Jonathan Wakely
2022-11-01 13:53         ` Jonathan Wakely
2022-11-01 15:26           ` Eric Botcazou
2023-09-01 15:21   ` Jonathan Wakely
2023-09-01 18:14     ` Eric Botcazou

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