From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8794 invoked by alias); 17 Mar 2014 23:54:36 -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 8745 invoked by uid 48); 17 Mar 2014 23:54:31 -0000 From: "reed.kotler at imgtec dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/60556] tip of tree crash with mips compiler Date: Mon, 17 Mar 2014 23:54:00 -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: 4.9.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: reed.kotler at imgtec dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org 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: 2014-03/txt/msg01499.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60556 --- Comment #12 from reed kotler --- (In reply to Andrew Pinski from comment #11) > (In reply to Andrew Pinski from comment #10) > > I should note the code is undefined and has (uint64_t)&stat and that itself > > is causing the issue. If I change it to be > > (uint64_t)(unsigned long)&stat, GCC does not crash. > > But using long instead of unsigned long causes the crash. > > Reduced testcase: > int g (int); > unsigned long long f(void) { > return (unsigned long long)(long)&g; > } > > This happens with both the C and C++ front-ends. Thanks. Do you know where the original line was that made it fail in the .ii? Depending on the location, I can possibly make the source change for now until the bug gets fixed in gcc.