From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27004 invoked by alias); 10 Sep 2013 07:56:03 -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 26954 invoked by uid 48); 10 Sep 2013 07:56:01 -0000 From: "bernd.edlinger at hotmail dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/57748] [4.7/4.8/4.9 Regression] ICE when expanding assignment to unaligned zero-sized array Date: Tue, 10 Sep 2013 07:56:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.8.0 X-Bugzilla-Keywords: ice-on-valid-code, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: bernd.edlinger at hotmail dot de X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.2 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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: 2013-09/txt/msg00655.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57748 --- Comment #36 from Bernd Edlinger --- Created attachment 30782 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30782&action=edit Next try for a fix OK, I removed the misalign code path completely, and found a one-line fix for read side too. So here is my next try to fix this issue. It seems to boot-strap on x86_64 and all test cases pass. Additional testing would be welcome. Any comments?