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Resent-From: Marius Bakke Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Tue, 13 Sep 2022 13:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50567 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Julien Lepiller , Ludovic =?UTF-8?Q?Court=C3=A8s?= , Guillaume Le Vaillant Cc: 50567@debbugs.gnu.org Received: via spool by 50567-submit@debbugs.gnu.org id=B50567.16630770001731 (code B ref 50567); Tue, 13 Sep 2022 13:50:02 +0000 Received: (at 50567) by debbugs.gnu.org; 13 Sep 2022 13:50:00 +0000 Received: from localhost ([127.0.0.1]:49423 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oY6Ia-0000Rr-E7 for submit@debbugs.gnu.org; Tue, 13 Sep 2022 09:50:00 -0400 Received: from eggs.gnu.org ([209.51.188.92]:37128) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oY6IX-0000Ra-Q9 for 50567@debbugs.gnu.org; Tue, 13 Sep 2022 09:49:59 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:50252) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oY6IS-0008SD-IU; 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spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 1B0D311C69 X-Spam-Score: -5.81 X-Migadu-Scanner: scn1.migadu.com X-TUID: lQ2TSZ/qZe0q --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Julien Lepiller skriver: > Again this is exactly where I was blocked. There is a checksum being gene= rated in classlist files from java code during the build. The classlist fil= e is exactly the same as the one in master, so it's correctly generated. Fo= wever, at some point, the process needs toqload that file, and that ultimat= ely calls some C code (identical to the java code) that re-computes and com= pares the checksum. After printing some values, it seems that it always com= putes "0=E2=80=A6031" as the hash of any classlist file, despite running th= e function and taking everything into account. I think this is again an opt= imization issue, anl it's not clear how to work around that. For the record, this showed up again after switching to GCC 11. I ended up disabling optimizations for dump.cpp in 321e866b1cea4916e3568efb instead of trying to fool the compiler. Probably it would be better to figure out exactly which optimization causes this problem, but that's a journey for a different time. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iIUEARYKAC0WIQRNTknu3zbaMQ2ddzTocYulkRQQdwUCYyCKew8cbWFyaXVzQGdu dS5vcmcACgkQ6HGLpZEUEHfsQgEA6TSVPpzEjLy2+jBJp5FWTPQktJWo19TNGK5f yfa6kEsA/RgXWdh3eKOui1VSxpew5nV1GGMS/gEUj0eTWpTnGOME =Fa/K -----END PGP SIGNATURE----- --=-=-=--