From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 8E8D63857C59 for ; Fri, 14 Jan 2022 09:23:24 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 8E8D63857C59 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-54-hkvwkTfPMby6tUDEtslNTA-1; Fri, 14 Jan 2022 04:23:19 -0500 X-MC-Unique: hkvwkTfPMby6tUDEtslNTA-1 Received: by mail-wm1-f71.google.com with SMTP id z13-20020a05600c0a0d00b003457d6619f8so5231619wmp.1 for ; Fri, 14 Jan 2022 01:23:19 -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=5eaMQtJcNzLLVaNaeCFENztrXyoyMSrpZgb8Hg04V5I=; b=aaiXXKgfP7RuFO2Vc/njA1kClICCZyRcqFKVpwgm/5yuTTrCCLvd5Nqo65zwAEHkDL KBZsBADEnn6dUiUCO8iSfsDl3YqSVbllYjBio1+G1aD4o5V2jXD5mhc9MjR24jaMQ3qN HAoAIF//lKjQEjN+N68KoDSMyCiv8BCkoW+l/ua6AfSKBP4OYrkcDCOhcvvuyRV0rzjZ GCQLtSmmfg4H+yIqlQw2zvrbDSck5tCGxmE8ZvKvnWQ6LfcNmeCOu+uKSiqgAUN72N5n /a8+deiKYlI/fCckV5JonK4jpl+ucoe4PIkB7vKVYuWjYgr76tPw92/d1HMa1Hnkm8MC JuZQ== X-Gm-Message-State: AOAM5334FfhiY5ePbpNSmtwjSduSHnBkqytekHM3poxSI49BHrKISObu s4xxTzIBTTamByADGT8fDEA3kMDqQgw3QfonAh4lIFeW+La6pS0wXKXYQg+J9B3woGe22FgwXCA ngwaSqDcIUHYtBFiQ5w== X-Received: by 2002:a5d:47a9:: with SMTP id 9mr7435256wrb.474.1642152198046; Fri, 14 Jan 2022 01:23:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJzcNQalk58EJcc5hohPw+5RG7Mw9Afx+gEas1gHN0qlaAGehxQnCT6heoaNOpWs5A8pM3ug8g== X-Received: by 2002:a5d:47a9:: with SMTP id 9mr7435243wrb.474.1642152197843; Fri, 14 Jan 2022 01:23:17 -0800 (PST) Received: from [192.168.188.47] (dynamic-077-003-178-070.77.3.pool.telefonica.de. [77.3.178.70]) by smtp.gmail.com with ESMTPSA id i6sm5836464wrf.79.2022.01.14.01.23.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 14 Jan 2022 01:23:17 -0800 (PST) Message-ID: Date: Fri, 14 Jan 2022 10:23:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH] libcpp: Implement -Wbidi-chars for CVE-2021-42574 [PR103026] To: Marek Polacek Cc: Jakub Jelinek , Martin Sebor , GCC Patches , Joseph Myers References: <20211101163652.36794-1-polacek@redhat.com> <49fc8d97-4cc7-5c78-d65a-02ea1419f483@gmail.com> <1ab9d323-af24-c2a0-0c6a-596b3f68c605@redhat.com> From: Stephan Bergmann In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_SHORT, NICE_REPLY_A, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=no 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 09:23:25 -0000 On 30/11/2021 16:27, Marek Polacek wrote: > I guess we were concerned with programs that generate other programs. > Maybe UCNs should be ignored by default. There's still time to adjust > the behavior. Is there any update on this? Shall I file a bug? As-is, -Wbidi-chars is unusable for building LibreOffice and (esp. in combination with "C++ preprocessor ignores #pragma GCC diagnostic") has to be explicitly disabled globally.