From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21711 invoked by alias); 10 Sep 2013 11:48:35 -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 21657 invoked by uid 55); 10 Sep 2013 11:48:32 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/58365] [4.7/4.8/4.9 Regression] likely wrong code bug Date: Tue, 10 Sep 2013 11:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.4 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: 2013-09/txt/msg00698.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58365 --- Comment #10 from Jakub Jelinek --- Author: jakub Date: Tue Sep 10 11:48:30 2013 New Revision: 202435 URL: http://gcc.gnu.org/viewcvs?rev=202435&root=gcc&view=rev Log: PR rtl-optimization/58365 * cfgcleanup.c (merge_memattrs): Also clear MEM_READONLY_P resp. MEM_NOTRAP_P if they differ, or set MEM_VOLATILE_P if it differs. * gcc.c-torture/execute/pr58365.c: New test. Added: branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr58365.c Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/cfgcleanup.c branches/gcc-4_8-branch/gcc/testsuite/ChangeLog