From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mxex2.tik.uni-stuttgart.de (mxex2.tik.uni-stuttgart.de [129.69.192.21]) by sourceware.org (Postfix) with ESMTPS id 3156F385DC35 for ; Fri, 29 May 2020 08:45:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 3156F385DC35 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ipvs.uni-stuttgart.de Authentication-Results: sourceware.org; spf=none smtp.mailfrom=steffen.hirschmann@ipvs.uni-stuttgart.de Received: from localhost (localhost [127.0.0.1]) by mxex2.tik.uni-stuttgart.de (Postfix) with ESMTP id 570B260236 for ; Fri, 29 May 2020 10:45:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=uni-stuttgart.de; h=in-reply-to:content-disposition:content-type:content-type :mime-version:references:message-id:subject:subject:from:from :date:date:received:received; s=dkim; i=@ipvs.uni-stuttgart.de; t=1590741951; x=1592480752; bh=i8MG34EOlP14Zlhyl3DHNOE8Y3oOSssH pBIjtkmi8e8=; b=jSrqXYq8MZClPOPgaeCHge1Cvfjadou3I/TkRJX5BDMUEA0v fVrbywpY8l4aI72npp6sG2WnQGPdajVD+wVGldu+d+mpZKs65toHBVUTqt/n0u4v BXokIYEarHdpoGNtztJgoTCQ/KpTNnnH0B7sqc4y/mL83uzlg6A6WZhN7Q9uUvrB 45RwV7nKii2PFN1rh1ZoWAcXfZc6lMLXex+3q6574WALe/t6NpKO8hy5nBZRhwB0 i1OU1fQkbtzNsU31fYuq0hhZZowCB/ZlG63IblTKw7QqF+QCp/UGOJdJvOlgKxPY GyiS/oaDbhY7Xg7iOGilNFUwph1wZTKydVlMjA== X-Virus-Scanned: USTUTT mailrelay AV services at mxex2.tik.uni-stuttgart.de Received: from mxex2.tik.uni-stuttgart.de ([127.0.0.1]) by localhost (mxex2.tik.uni-stuttgart.de [127.0.0.1]) (amavisd-new, port 10031) with ESMTP id a7MFGJfvMJAO for ; Fri, 29 May 2020 10:45:51 +0200 (CEST) Received: from localhost (lapsgs17.informatik.uni-stuttgart.de [129.69.213.160]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxex2.tik.uni-stuttgart.de (Postfix) with ESMTPSA for ; Fri, 29 May 2020 10:45:51 +0200 (CEST) Date: Fri, 29 May 2020 10:45:50 +0200 From: Steffen Hirschmann To: gcc-help@gcc.gnu.org Subject: Re: Unnecessary stores with std::optional? Message-ID: <20200529084550.GB245925@lapsgs17> References: <20200526130710.GB362962@lapsgs17> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, KAM_SHORT, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 May 2020 08:45:57 -0000 On 17:00 Thu 28 May , Marc Glisse wrote: > One of them seems to be a tuning choice (it disappears with some > -march/-mtune flags), but not the other. Could you file an issue in gcc's > bugzilla please? thank you for the quick answer. I filed an issue: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95405 Greetings, Steffen