From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23608 invoked by alias); 15 Jan 2015 14:39:19 -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 23545 invoked by uid 48); 15 Jan 2015 14:39:14 -0000 From: "belagod at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/64231] [5 Regression] SIGSEGV building glibc on aarch64-linux-gnu from r217852 Date: Thu, 15 Jan 2015 14:39:00 -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: build, ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: belagod at gcc dot gnu.org X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 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: 2015-01/txt/msg01351.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64231 --- Comment #13 from Tejas Belagod --- (In reply to Sandra Loosemore from comment #12) > I'm using a 4.7.3 based gcc as the host compiler (built from one of our own > CodeBench release branches). > > Regardless of whether the actual failure is reproducible, if you look at the > code I pointed at in comment 7, there is clearly a bug here: if > force_const_mem returns NULL, GCC will crash, not just here but in several > other places as well. I tried with a build of cross aarch64-linux-gnu with 4.7.4 as the host compiler and my gcc sources at HEAD and r217852 of trunk, but no luck! :-(