From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-337872-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 22500 invoked by alias); 21 Nov 2010 07:52:03 -0000
Received: (qmail 22486 invoked by uid 22791); 21 Nov 2010 07:52:02 -0000
X-SWARE-Spam-Status: No, hits=-2.8 required=5.0	tests=ALL_TRUSTED,AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from localhost (HELO gcc.gnu.org) (127.0.0.1)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 21 Nov 2010 07:51:59 +0000
From: "aoliva at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/46583] [4.6 Regression] -fcompare-debug failure with -O -fno-inline -fipa-cp -fipa-cp-clone
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: debug
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: aoliva at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: aoliva at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.6.0
X-Bugzilla-Changed-Fields: Status AssignedTo
Message-ID: <bug-46583-4-trdMLwQp9d@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-46583-4@http.gcc.gnu.org/bugzilla/>
References: <bug-46583-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
MIME-Version: 1.0
Date: Sun, 21 Nov 2010 07:54:00 -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
X-SW-Source: 2010-11/txt/msg02605.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46583

Alexandre Oliva <aoliva at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|unassigned at gcc dot       |aoliva at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #3 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2010-11-21 07:51:45 UTC ---
Mine.  The order changed because we discarded the typedef decl from the block
scope in the original function.  When the time came to clone it, we'd remap the
typedef type after variable a3 of that type, and a3 would not be nonlocalized,
whereas with debug info we retained the typedef, cloned the type first, and a3
would be nonlocalized.  The patch I'm going to attach momentarily fixes this by
keeping the typedef around.