From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-434251-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 4523 invoked by alias); 11 Nov 2013 07:57:17 -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 4469 invoked by uid 55); 11 Nov 2013 07:57:13 -0000
From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/58970] [4.7/4.8/4.9 Regression] internal compiler error: in get_bit_range, at expr.c:4562
Date: Mon, 11 Nov 2013 07:57:00 -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: 4.8.2
X-Bugzilla-Keywords:
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: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.7.4
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields:
Message-ID: <bug-58970-4-qI4G57Qlpx@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-58970-4@http.gcc.gnu.org/bugzilla/>
References: <bug-58970-4@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: 2013-11/txt/msg01028.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58970

--- Comment #29 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Nov 11 07:57:11 2013
New Revision: 204663

URL: http://gcc.gnu.org/viewcvs?rev=204663&root=gcc&view=rev
Log:
    Backported from mainline
    2013-11-06  Jakub Jelinek  <jakub@redhat.com>

    PR middle-end/58970
    * expr.c (get_bit_range): Handle *offset == NULL_TREE.
    (expand_assignment): If *bitpos is negative, set *offset
    and adjust *bitpos, so that it is not negative.

    * gcc.c-torture/compile/pr58970-1.c: New test.
    * gcc.c-torture/compile/pr58970-2.c: New test.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/compile/pr58970-1.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/compile/pr58970-2.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/expr.c
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog