From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <hjl.tools@gmail.com>
Received: from mail-pg1-x530.google.com (mail-pg1-x530.google.com
 [IPv6:2607:f8b0:4864:20::530])
 by sourceware.org (Postfix) with ESMTPS id B5B903857836
 for <gcc-patches@gcc.gnu.org>; Thu, 28 Apr 2022 16:27:50 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org B5B903857836
Received: by mail-pg1-x530.google.com with SMTP id i62so4394297pgd.6
 for <gcc-patches@gcc.gnu.org>; Thu, 28 Apr 2022 09:27:50 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20210112;
 h=x-gm-message-state:mime-version:references:in-reply-to:from:date
 :message-id:subject:to:cc;
 bh=bH9LK5vOqxiu5BAMgcXQvUi6pQL6dehWnkDnxwR73Jk=;
 b=iCwQeOyFuqS59uDq+p2BOt+5/Owro6J45QWincCd1062nlz2z9DmVwcbp4G75xJRo6
 uLJyGXpSqrg3IuUa6viUKt/z5AomQWcsqWREWE6gn87E9aG5zVCe4NNlDXW7qITPgVQF
 YsD+kLUbWytpuVNWVZQTZZwqpdOnan5FHhYp499vsfUmIAkYuSL85WOytq2EYcMfCXdC
 CI0C3AgJZstPnF/xLO6bV20KfhvjTCBX/Q0HvPzFwrq/oad/2qfAZ3kXllXBZjLR2JMG
 NmjtgtYMITqws/RsHEGbOqVNH2HvIlOxaU1klCU/WMgPrnmKaWZ75T6Nwj8VbpccfzCK
 WlrQ==
X-Gm-Message-State: AOAM532AD3o9C3dAno651Ag3BGbdFx228HtD5ITvEJm6lp7cKL+ZBrEm
 w32/V/fg2UXM+f/XsnHorpLHw+kQA6dfHM9yxmA=
X-Google-Smtp-Source: ABdhPJwhyRnc6GGk3JFkZYQWbinmSfTrG2swtuNV3q7zHx6tTpj1ycTa8SIKhtAevr5+MEa67vouk/R5K7u7CzgnTus=
X-Received: by 2002:a62:d155:0:b0:50d:3c4e:37ec with SMTP id
 t21-20020a62d155000000b0050d3c4e37ecmr22733990pfl.60.1651163269450; Thu, 28
 Apr 2022 09:27:49 -0700 (PDT)
MIME-Version: 1.0
References: <16a40e11-e97f-59bd-9990-9b7e6dee39c9@gmail.com>
In-Reply-To: <16a40e11-e97f-59bd-9990-9b7e6dee39c9@gmail.com>
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Thu, 28 Apr 2022 09:27:13 -0700
Message-ID: <CAMe9rOrmERW0v0e_cU=-P1SjidhLThZd0iUNm7PfqtaRzGN2xg@mail.gmail.com>
Subject: Re: [committed] Fix more problems with new linker warnings
To: Jeff Law <jeffreyalaw@gmail.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Content-Type: text/plain; charset="UTF-8"
X-Spam-Status: No, score=-3019.6 required=5.0 tests=BAYES_00, DKIM_SIGNED,
 DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,
 SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on
 server2.sourceware.org
X-BeenThere: gcc-patches@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-patches mailing list <gcc-patches.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-patches>,
 <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-patches/>
List-Post: <mailto:gcc-patches@gcc.gnu.org>
List-Help: <mailto:gcc-patches-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-patches>,
 <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Thu, 28 Apr 2022 16:27:52 -0000

On Thu, Apr 28, 2022 at 9:10 AM Jeff Law via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> As I mentioned in the original thread, my change to pr94157_0 was an
> attempt to avoid these warnings by passing a magic flag to the linker.
> Of course we may not be using GNU ld.  Or we may be on a non-elf target
> where the flag I used doesn't exist.  Or we may even be on a ELF target
> where those bits weren't added to the linker (frv).  Furthermore, we
> need fixes to all the nested function tests as well.
>
> So even though I initially resisted pruning the warning, that seems like
> the best course of action.  So this patch removes my recent change to
> pr94157_0 and instead uses our pruning facilities.
>
> I'll be pushing this to the trunk and gcc-12 branch.
>

Can you backport it to other release branches?

Thanks.

-- 
H.J.