From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.devel Subject: Re: make check fails? (emacs-26.1 w/modules) Date: Wed, 12 Sep 2018 15:41:55 +0200 Message-ID: <87sh2e96jg.fsf@gmail.com> References: <01b1788d-b97f-2b3d-574c-d9e441acf9ad@cs.ucla.edu> <3380.1536229957@minshall-apollo.minshall.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1536759656 6678 195.159.176.226 (12 Sep 2018 13:40:56 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 12 Sep 2018 13:40:56 +0000 (UTC) Cc: Paul Eggert , emacs-devel@gnu.org To: Greg Minshall Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Sep 12 15:40:52 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1g05Nz-0001de-Un for ged-emacs-devel@m.gmane.org; Wed, 12 Sep 2018 15:40:52 +0200 Original-Received: from localhost ([::1]:36346 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g05Q6-0007R4-GV for ged-emacs-devel@m.gmane.org; Wed, 12 Sep 2018 09:43:02 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46408) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g05P8-0007Pc-78 for emacs-devel@gnu.org; Wed, 12 Sep 2018 09:42:02 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g05P4-0007bF-VN for emacs-devel@gnu.org; Wed, 12 Sep 2018 09:42:02 -0400 Original-Received: from mail-wm0-x22c.google.com ([2a00:1450:400c:c09::22c]:55082) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1g05P4-0007ac-KT for emacs-devel@gnu.org; Wed, 12 Sep 2018 09:41:58 -0400 Original-Received: by mail-wm0-x22c.google.com with SMTP id c14-v6so2462022wmb.4 for ; Wed, 12 Sep 2018 06:41:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:mail-followup-to:mail-copies-to :gmane-reply-to-list:date:message-id:mime-version; bh=uGsIHRtl84ACSnX4nLjlVkEwglOCbuWOAOj01L0CRuw=; b=MwD24UUvE1kfEv4P+YzK4MRMy29eH6VEKmOzxGqaQHvQmh+7myBagCSbl1LWEcVY7D CPztfbEyaJjs8MOAvOjuTUZH9hKzQ+vK9DcrkRO2r1zydRuhop8EHhJeFY3IWRMyBzMC +KDw+C7n/U0bA8swyPIcfSoGvY9ice5IzFI91uSsyWkUWXbfMqgLGsuZuwhZQwpGuZoM FioRQw7LjoOI1m2MjOtdJWOHF9Vbl/pXlgwaIeahQKLg7Z9xIv7EHqQBscgf80blH7wB BsKY1VIvcyAv4QNQW5ImayNdnniPckdRljwxtnsR6J0oxsTN+m+8kmmnavt2RInnXUpd Xd0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:mail-followup-to :mail-copies-to:gmane-reply-to-list:date:message-id:mime-version; bh=uGsIHRtl84ACSnX4nLjlVkEwglOCbuWOAOj01L0CRuw=; b=f7ez5uBtUdPNw37cS/oY4Uth4T42U3o1CozWF8dDF1aJyDdtldLoD5whLWlHOTDejh pzSoNYn/tB+ssJkamQ17aaTLlWwjJ771BIC4p6MF61N32vID1yJ4VhAj2JqkCCNseIb+ /Cd0uZpwpyqyHxVlDWdq5FREtbspK+HOGn7jSLXV4z+aKJmPRhTtZEnBWpFLd1Er9seJ zqv70qOgQ5GH7kVW7NggQPRhOQorWmTe3/TxJYyGVfukoQyjMbY66iHb6aoMlZ53jhg0 6IdIABFnSbeowL7f79b1XDTYiyf88m2IjDwJoVsQbU/kn94EMeU50XYEOuM/AxRoo82n /ITg== X-Gm-Message-State: APzg51BiDd+izvbhzLumV2Ty+XG32WgnDjkJeDIrDhpC9FORhecFgzXm F7BLXgWKzQ1Ju1FCz4ybIRBi2+pp7lY= X-Google-Smtp-Source: ANB0VdZwDjo2XOUP3da9ZhWc/ptzwMX7my6HgjVjAG6taTTIzgKQ4w+CJ4gbfC/U5djTDunwDzA41A== X-Received: by 2002:a1c:4e16:: with SMTP id g22-v6mr1623733wmh.111.1536759716622; Wed, 12 Sep 2018 06:41:56 -0700 (PDT) Original-Received: from rpluim-ubuntu ([149.5.228.1]) by smtp.gmail.com with ESMTPSA id 14-v6sm2586143wmp.32.2018.09.12.06.41.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Sep 2018 06:41:55 -0700 (PDT) Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Gmane-Reply-To-List: yes X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c09::22c X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:229703 Archived-At: Greg Minshall writes: > Paul, > >> I'm afraid I can't help much more. I'd try a later GCC, or file a >> compiler bug report if you must use that particular GCC. > > thanks for the suggestions so far (esp. V=1!). > > negative persistence being what it is, i used "lxd" magic, spun up a new > Ubuntu 16.04 release, cloned the git repository, "git checkout > emacs-26.1", downloaded all the prereqs, autogen.sh'd, configured : > ./configure --with-xwidgets --with-modules --without-dbus then, "make && > make check"; same results. (and, for my sanity self-appraisal, i'm glad > for Robert Pluim's confirmation -- thanks!) > > i'll try to report it to gcc (not a community with which i have > much other-than-user experience, so, something new). My CPU was idle for a while, so I set it to work bisecting this. It came up with the following gcc commit: commit e98da821c1ee4450bbe40a0278cd75803706aa7c (HEAD, refs/bisect/new) Author: hubicka Date: Sun Dec 20 05:50:29 2015 +0000 PR middle-end/65337 * tree-ssa-dce.c (bb_postorder): New static var. (forward_edge_to_pdom): Remove. (remove_dead_stmt): Instead of redirecting edges only keep an edge on a path to nearest live BB. (eliminate_unnecessary_stmts): Free bb_postorder. * cfganal.c (dfs_find_deadend): Add START_POINTES. * cfganal.h (inverted_post_order_compute): Update prototype. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@231856 138bc75d-0d04-0410-961f-82ee72b054a4 which is three years old. I guess you could try to get it backported to the gcc in 16.04, but it might be easier for you to just install a later version of gcc (or upgrade to a later version of Ubuntu :-) ) Regards Robert