From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-5.0 required=3.0 tests=AWL,BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL, SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 52FBB1F4B4 for ; Sat, 2 Jan 2021 02:00:08 +0000 (UTC) Received: from localhost ([::1]:42652 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kvWD9-0007h5-4p for normalperson@yhbt.net; Fri, 01 Jan 2021 21:00:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:36176) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kvWD5-0007fC-3a for bug-gnulib@gnu.org; Fri, 01 Jan 2021 21:00:03 -0500 Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.219]:24246) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kvWD2-0000c9-Pb for bug-gnulib@gnu.org; Fri, 01 Jan 2021 21:00:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1609552798; s=strato-dkim-0002; d=clisp.org; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:From: Subject:Sender; bh=CRN9rBS8EbyiJ00ldtrQkdKxEVkmz7sTI0kz0LptcN0=; b=arAb7+t9gk2Qaq7T4u4pTBz/we3v1bUo92xI2ijCzhdNpxytk8WXtEJIDjT3RyPM0Q QWxeSS1uP5pH6A+HrkbObDN1jWkx9tc+MTR5kEhOzRhUxFpM3xGJlm0pbaw+YGRmLo6H JXrB6m80j+RQLKjhW3ayUUGSvsGJdf9e/RpQr3CJve4esPgZMfawZU4/B776iQxVxLP2 aDUxNlMQPSqU1nFk71wzPs0KBAYGyFf1JC94qTQ/GzH293m9EykRHKiwgBQslpNtg+8U wWIaEXf8GPrbAIYA6YuoDi73ASVo0keAC8bpWMewTuBfEJB4dTkxfUnSEeHNqOh7wOim MIxw== X-RZG-AUTH: ":Ln4Re0+Ic/6oZXR1YgKryK8brlshOcZlIWs+iCP5vnk6shH+AHjwLuWOH6f3z/s=" X-RZG-CLASS-ID: mo00 Received: from bruno.haible.de by smtp.strato.de (RZmta 47.10.7 DYNA|AUTH) with ESMTPSA id e012d5x021xvY8Y (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (curve X9_62_prime256v1 with 256 ECDH bits, eq. 3072 bits RSA)) (Client did not present a certificate); Sat, 2 Jan 2021 02:59:57 +0100 (CET) From: Bruno Haible To: Bernhard Voelker Subject: Re: test-getgroups.c:stringop-overflow warning on newer GCC Date: Sat, 02 Jan 2021 02:59:56 +0100 Message-ID: <1825823.qd5lRurjMP@omega> User-Agent: KMail/5.1.3 (Linux/4.4.0-197-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: References: <2887419.1QkhuepXuh@omega> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Received-SPF: none client-ip=81.169.146.219; envelope-from=bruno@clisp.org; helo=mo4-p00-ob.smtp.rzone.de X-Spam_score_int: -54 X-Spam_score: -5.5 X-Spam_bar: ----- X-Spam_report: (-5.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-2.749, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: bug-gnulib@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Gnulib discussion list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bug-gnulib@gnu.org Errors-To: bug-gnulib-bounces+normalperson=yhbt.net@gnu.org Sender: "bug-gnulib" Hi Berny, > So it may be an issue with the 10.2.1 version > ... > I'm not sure how to proceed from here. The most interesting piece of information is the rationale of this warning (i.e. more precisely why the warning is enabled by default). Maybe it can be found in the set of patches of this GCC version and/or its Changelog? Bruno