From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25354 invoked by alias); 30 Apr 2015 11:12:20 -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 25062 invoked by uid 55); 30 Apr 2015 11:12:16 -0000 From: "amodra at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/36043] gcc reads 8 bytes for a struct of size 6 which leads to sigsegv Date: Thu, 30 Apr 2015 11:12:00 -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: 4.3.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: amodra at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: amodra at gmail dot com 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: 2015-04/txt/msg02615.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36043 --- Comment #25 from Alan Modra --- Author: amodra Date: Thu Apr 30 11:11:34 2015 New Revision: 222616 URL: https://gcc.gnu.org/viewcvs?rev=222616&root=gcc&view=rev Log: gcc/ PR target/65408 PR target/58744 PR middle-end/36043 * calls.c (load_register_parameters): Don't load past end of mem unless suitably aligned. gcc/testsuite/ * gcc.dg/pr65408.c: New. Added: branches/gcc-5-branch/gcc/testsuite/gcc.dg/pr65408.c Modified: branches/gcc-5-branch/gcc/ChangeLog branches/gcc-5-branch/gcc/calls.c branches/gcc-5-branch/gcc/testsuite/ChangeLog