From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4E268395C00F; Mon, 12 Dec 2022 09:07:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4E268395C00F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1670836040; bh=8/Or3p6vABBrNrlnhfOPEb9JBoS3FWk0+xOzIbxEwzY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=FlLr2yWCJkAMscUz0CB+MSvculTJChxIqqnnhIzw64W3P8msTpc3zE1132sAHyFiz +wS2fHXMujS7eJ60a2m3IWCr0b7Nx3Njyvlw++Fy7/7AlT+vpcN/V8x6glcpiJKaAU 95IHKeFaflEVFaAOpsCgG4MmMj75QjlYKrj3rIEc= From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug libfortran/108056] [12/13 Regression] backward compatibility issue between 11 and 12 Date: Mon, 12 Dec 2022 09:07:19 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libfortran X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ABI X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108056 --- Comment #10 from rguenther at suse dot de --- On Mon, 12 Dec 2022, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108056 >=20 > --- Comment #9 from Jakub Jelinek --- > The important question is if correct code compiled by gcc 11 was working > correctly with libgfortran 11, if yes, then libgfortran 12+ should mainta= in > compatibility (of course, when soname is bumped, that compatibility code = can be > thrown away). If GCC 11 behaves incorrectly we can of course also fix that on the=20 branch. Nevertheless breaking old working executables isn't a good idea so if we can keep them working then please do so.=