From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=) Subject: bug#30820: Chunked store references in compiled code break grafting (again) Date: Tue, 20 Mar 2018 09:50:29 +0100 Message-ID: <87zi33w2p6.fsf@gnu.org> References: <87o9jq7j7r.fsf@gnu.org> <87muz3dgy1.fsf@netris.org> <20180319223402.1ba0a369@scratchpost.org> <87efkfblrq.fsf@netris.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:42037) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eyCz3-0005pp-FF for bug-guix@gnu.org; Tue, 20 Mar 2018 04:51:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eyCz0-0006qn-Bh for bug-guix@gnu.org; Tue, 20 Mar 2018 04:51:05 -0400 Received: from debbugs.gnu.org ([208.118.235.43]:34801) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eyCz0-0006qZ-7H for bug-guix@gnu.org; Tue, 20 Mar 2018 04:51:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <87efkfblrq.fsf@netris.org> (Mark H. Weaver's message of "Mon, 19 Mar 2018 21:04:09 -0400") List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: Mark H Weaver Cc: 30820@debbugs.gnu.org Mark H Weaver skribis: > Nothing that we do will ever fix this problem for good. Don't pretend > that patching GCC would fix the problem for good. There are problems in > other software as well (e.g. in JAR manifests), and we already patched > GCC once, and it broke some time later without anyone noticing. My initial message spread some confusion: the GCC patch still works as before, but there=E2=80=99s always been a corner case that was improperly handled. Now, we currently don=E2=80=99t have tests that would allow us to detect breakage before it bites, which is a problem. Ludo=E2=80=99.