From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-482562-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 98737 invoked by alias); 2 Apr 2015 09:15:10 -0000
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
Received: (qmail 90873 invoked by uid 48); 2 Apr 2015 09:15:04 -0000
From: "dominiq at lps dot ens.fr" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/63890] [4.9/5 regression] Compiling trivial program with -O -p leads to misaligned stack
Date: Thu, 02 Apr 2015 09:15:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 5.0
X-Bugzilla-Keywords: wrong-code
X-Bugzilla-Severity: major
X-Bugzilla-Who: dominiq at lps dot ens.fr
X-Bugzilla-Status: NEW
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.9.3
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-63890-4-2x5WjKNGHd@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-63890-4@http.gcc.gnu.org/bugzilla/>
References: <bug-63890-4@http.gcc.gnu.org/bugzilla/>
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/msg00114.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63890

--- Comment #20 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> also failing from the same bug, gcc.dg/aru-2.c

and likely gcc.dg/20021014-1.c.

The patch in comment 12 fixes

FAIL: gcc.dg/20021014-1.c execution test
FAIL: gcc.dg/aru-2.c execution test
FAIL: gcc.dg/pr43643.c execution test

but causes the following regressions

FAIL: g++.old-deja/g++.law/profile1.C  -std=gnu++11 execution test
FAIL: g++.old-deja/g++.law/profile1.C  -std=gnu++14 execution test
FAIL: g++.old-deja/g++.law/profile1.C  -std=gnu++98 execution test
FAIL: gcc.dg/nest.c execution test
FAIL: gcc.dg/nested-func-4.c execution test
FAIL: gcc.dg/pr32450.c execution test
FAIL: gcc.target/i386/mcount_pic.c execution test

(all with -m32).