From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by sourceware.org (Postfix) with ESMTPS id 0BC02385840C for ; Fri, 28 Jan 2022 23:21:33 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 0BC02385840C Received: by mail-pl1-x62e.google.com with SMTP id d1so7519911plh.10 for ; Fri, 28 Jan 2022 15:21:33 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=t4e10+7DMe+xMqFsUXo5FsyMwDQbZp9RrLzu8vOWcHE=; b=PT8YMHX3yeCAXWa4w/ejWk4JPCTVIYUfraBm5mYOtS8LD6BGKmsuc9nF1ELwGJ86PW HlqEs/QUgMnGxflykqszuRXjynkoWkvh3kzffKWYUpVvuBla8HkBdzhMTUgXggYW8/rc i7B6Yi4hwqXOIb/HCymStculVeU7LOORBBysNmeEj4iQPBXLiwRnGI87xMapoi6pQq2l cJkQL1YFyk92qKSAqs0Vwtob/fe7cadU8o6+8ozjeiAW3FJyTZI69vEzNkT43G1bVIzu ZTVGu70bCenO9dZKK63Erlx7CnvGX+dKW+ynWs9UVAh/NkTApjt4gJCxSpTYwYFFkN4n 0mXQ== X-Gm-Message-State: AOAM5335qQ2f/IZibUh2lyMV39NR0LGIDZ8WsfdOfNr9fJ2PPTB/CWS4 sC4A6ZPTEzr1QLQDhOMaW44bQ1D64+aYyA== X-Google-Smtp-Source: ABdhPJxx8GJcodoeT/wlpGWmdTYlXm6LtviqOHlwk9mmKpR8fhvmQDX20YzLcdWu9IDJJ0mCjVK2pw== X-Received: by 2002:a17:903:28c:: with SMTP id j12mr10417026plr.149.1643412092142; Fri, 28 Jan 2022 15:21:32 -0800 (PST) Received: from [192.168.1.15] (65-130-85-11.slkc.qwest.net. [65.130.85.11]) by smtp.gmail.com with ESMTPSA id ne23sm3353002pjb.57.2022.01.28.15.21.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Jan 2022 15:21:31 -0800 (PST) Message-ID: <83b8a0ae-991d-cf1a-f4fd-543f5fdce16f@gmail.com> Date: Fri, 28 Jan 2022 16:21:29 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH v3 5/5] avoid -Wuse-after-free [BZ #26779] Content-Language: en-US To: Joseph Myers , Carlos O'Donell Cc: libc-alpha@sourceware.org References: <53f20975-a2c9-674d-2a43-b1b323ee545c@gmail.com> <50baa5fb-c1ee-f7dc-b7d6-cf4587782062@gmail.com> <3ad704bb-a061-1dc2-3b6d-8343f70a3c92@gmail.com> <7b1e2fda-b440-ad77-4586-7e73b7c927b0@redhat.com> From: Jeff Law In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Jan 2022 23:21:34 -0000 On 1/28/2022 10:51 AM, Joseph Myers wrote: > On Fri, 28 Jan 2022, Carlos O'Donell via Libc-alpha wrote: > >> I'm going to look at these right now. I want clean gcc 12 glibc 2.35 >> results before we release. > There are also three ICE bugs in GCC 12 preventing glibc from building, so > you won't get fully clean build-many-glibcs.py results with just glibc > fixes. GCC bug 103722 on sh4, bug 104153 on or1k and 104154 on arc (the > last two reported by Jeff based on ICEs building newlib, but the ICEs I > see building glibc are in the same place in the compiler, so probably the > same bugs). FYI, I got a good build with the patch in 104153 + an unrelated newlib fix on or1k-elf.  So I'll take a deeper look at Robin's patch over the weekend if I can. Jeff