From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cc-smtpout2.netcologne.de (cc-smtpout2.netcologne.de [IPv6:2001:4dd0:100:1062:25:2:0:2]) by sourceware.org (Postfix) with ESMTPS id DAED33858D33 for ; Thu, 9 Mar 2023 07:13:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DAED33858D33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=netcologne.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=netcologne.de Received: from cc-smtpin2.netcologne.de (cc-smtpin2.netcologne.de [89.1.8.202]) by cc-smtpout2.netcologne.de (Postfix) with ESMTP id 0459712731; Thu, 9 Mar 2023 08:13:36 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=netcologne.de; s=nc1116a; t=1678346016; bh=DZJLKXIrNLpxpCRnBFvHrNqqxQCe8RsKrXO9xjXoJ/w=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To:From; b=lX9jsXYoiY4BXT8eIiycv+NhrLkzPnYdq4r+DBSMxlQnSe1y3J3sORTkbRNgIIZU0 AB0if4jWAPKDAoLeD11p6i/oCOYYcd3l6PIFuqijD1aJlGC7QtDqReeKaWsGNh0Ldp zpkbDCZw6J8oBBEesuHpEdBXmWHFawrdGLtoYQSSl9YQzAhaj6aNat66kzaARjhzwC bvvOmfk3w2EJrdGZ2w2FBex2EoF3B/PFzb0zc8iw4hLCaKP1X3PJr//nMmaURMVguj WOI20c++PLMbTr1xzQVpBr5k2yj69+HEsdWQipK0dHfNFw2bK26+hLDrKkuUHBqG4D aVldArZncHHUg== Received: from [IPV6:2001:4dd7:c7b6:0:7285:c2ff:fe6c:992d] (2001-4dd7-c7b6-0-7285-c2ff-fe6c-992d.ipv6dyn.netcologne.de [IPv6:2001:4dd7:c7b6:0:7285:c2ff:fe6c:992d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by cc-smtpin2.netcologne.de (Postfix) with ESMTPSA id 2498E11DF1; Thu, 9 Mar 2023 08:13:31 +0100 (CET) Message-ID: Date: Thu, 9 Mar 2023 08:13:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [Patch, fortran] PR37336 finalization To: Paul Richard Thomas , Richard Biener Cc: Steve Kargl , "fortran@gcc.gnu.org" References: <582085ac-0d07-a516-732d-e82e0a4e01c9@netcologne.de> Content-Language: en-US From: Thomas Koenig In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-NetCologne-Spam: L X-Rspamd-Queue-Id: 2498E11DF1 X-Spamd-Bar: - X-Rspamd-Action: no action X-Spam-Status: No, score=-3.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,NICE_REPLY_A,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 08.03.23 22:35, I wrote: > On 08.03.23 15:55, Paul Richard Thomas via Fortran wrote: >> As noted below, rnflow.f90 hangs with the unpatched mainline at -O3 but >> runs successfully at -O2. > > I can confirm that. > >> I presume that this is a serious regression since it involves >> optimization? >> Which component should I post it against? > > Probably against tree-optimization.  If later analysis determines that > it is something else, people will reassign it. > > This one probably calls for bisection. I have submitted this as https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109075 . Paul, thanks for catching this! @Richard: Is there a possibility of doing regular Polyhedron runs at Suse in addition to the SPEC runs? This could also be interesting. Best regards Thomas