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-ASN: AS22989 209.51.188.0/24 X-Spam-Status: No, score=-3.7 required=3.0 tests=AWL,BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,RCVD_IN_MSPIKE_H2,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 028BD1F8C6 for ; Mon, 23 Aug 2021 13:00:32 +0000 (UTC) Received: from localhost ([::1]:48572 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mI9Z1-00048g-2T for normalperson@yhbt.net; Mon, 23 Aug 2021 09:00:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52122) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mI9Yw-00048K-RB for bug-gnulib@gnu.org; Mon, 23 Aug 2021 09:00:26 -0400 Received: from mo4-p00-ob.smtp.rzone.de ([81.169.146.221]:35605) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mI9Ys-0000qX-Bp for bug-gnulib@gnu.org; Mon, 23 Aug 2021 09:00:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1629723612; s=strato-dkim-0002; d=clisp.org; h=References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=vn8RhavoHpoWL7ydExGTQkzw5AsDhaeeiRLyKFRSFUk=; b=MA3wgcI4vhp4tbanBlGng2bZEF1wdN2odhjGmtDofevHzEJehYpEoapTr4q4DcY6wI mngjTw6Y52J3v10qOdttaxiiJ5jGHop2p9Y3eOfviNBe6stfdH5ep6pHW4Ap/o4RWjXP FYLF65TJtWZGZWwyv+6cl7AnSDZh0vNhaDg7pIkxL5a1sa12Rlq/dDO9u+/AUgbXu8F1 qoMwA4btAQ5xIlS1DOQ6sykPdYj0ZIFsn5wjfkVZeU7Q2lmTnSaz2P9jLLNMjbH0dr/K ekYCWCa6CaiDGKdQJsMFkDDgYBy7roLpVmywCRMpMDU8OYNsgF3/v04UHBfe5EVd6oZs eyrA== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":Ln4Re0+Ic/6oZXR1YgKryK8brlshOcZlIWs+iCP5vnk6shH0WWb0LN8XZoH94z26ll5ip69plkMcy3YOOTdoBW3oHWnelEV5bQ==" X-RZG-CLASS-ID: mo00 Received: from omega.localnet by smtp.strato.de (RZmta 47.31.0 AUTH) with ESMTPSA id I0a189x7ND0BmUp (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Mon, 23 Aug 2021 15:00:11 +0200 (CEST) From: Bruno Haible To: Paul Eggert , bug-gnulib@gnu.org Subject: Re: [PATCH 3/3] lib/regexec: Resolve unused variable Date: Mon, 23 Aug 2021 15:00:10 +0200 Message-ID: <2863654.8hzESeGDPO@omega> In-Reply-To: References: <4cec2520-759b-cb6d-172f-0120f42a4cfe@cs.ucla.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Received-SPF: none client-ip=81.169.146.221; envelope-from=bruno@clisp.org; helo=mo4-p00-ob.smtp.rzone.de X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, RCVD_IN_DNSWL_NONE=-0.0001, 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: Darren Kenny Errors-To: bug-gnulib-bounces+normalperson=yhbt.net@gnu.org Sender: "bug-gnulib" Darren Kenny wrote: > I can see that LLVM has a __builtin_assume() though, but that's about > the closest I could find. We avoid clang's __builtin_assume, because it triggers the generation of wrong code. See . Bruno