From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7306 invoked by alias); 14 Jul 2014 10:45:32 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 6959 invoked by uid 48); 14 Jul 2014 10:45:26 -0000 From: "fxcoudert at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/41227] COMMON block, BIND(C) and LTO interoperability issues Date: Mon, 14 Jul 2014 10:45:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 4.5.0 X-Bugzilla-Keywords: lto, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: fxcoudert at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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 X-SW-Source: 2014-07/txt/msg00869.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D41227 --- Comment #14 from Francois-Xavier Coudert = --- (In reply to rguenther@suse.de from comment #13) > Does it need to inter-operate with > extern struct { struct { int i; } a; } a; No, I don't read anything in the standard that would allow this. > extern union { int i; } a; No, per F2008 15.3.4 =C2=B63: "There is no Fortran type that is interoperab= le with a C union type." >>From gcc-bugs-return-456280-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Jul 14 10:51:26 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 13847 invoked by alias); 14 Jul 2014 10:51:25 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 13370 invoked by uid 55); 14 Jul 2014 10:51:20 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/61787] wrong code at -Os on x86_64-linux-gnu Date: Mon, 14 Jul 2014 10:51:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 4.10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-07/txt/msg00871.txt.bz2 Content-length: 877 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61787 --- Comment #2 from Richard Biener --- Author: rguenth Date: Mon Jul 14 10:50:46 2014 New Revision: 212513 URL: https://gcc.gnu.org/viewcvs?rev=212513&root=gcc&view=rev Log: 2014-07-14 Richard Biener PR tree-optimization/61757 PR tree-optimization/61783 PR tree-optimization/61787 * tree-ssa-dom.c (record_equality): Revert canonicalization change and add comment. (propagate_rhs_into_lhs): Revert previous fix, removing loop depth restriction again. * gcc.dg/torture/pr61757.c: New testcase. * gcc.dg/torture/pr61787.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/torture/pr61757.c trunk/gcc/testsuite/gcc.dg/torture/pr61787.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-dom.c