From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25337 invoked by alias); 15 Jul 2014 15:05:42 -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 25285 invoked by uid 55); 15 Jul 2014 15:05:38 -0000 From: "zeccav at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/61779] gcc -Og fails with impossible constraint on legal C code Date: Tue, 15 Jul 2014 15:05:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 4.9.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: zeccav at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth 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: 2014-07/txt/msg00983.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61779 --- Comment #7 from Vittorio Zecca --- I forgot to mention that my code fragment comes from #include void f(void) { for (;;) _SDT_PROBE(0, 0, 1,(0)); } Maybe you can find intelligent ways to exercise this code and find more -Og bugs?