From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28966 invoked by alias); 10 Aug 2012 08:54:00 -0000 Received: (qmail 28923 invoked by uid 22791); 10 Aug 2012 08:53:59 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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; Fri, 10 Aug 2012 08:53:47 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/54218] Debug info for function parameters is incorrect when compiled with -O0 Date: Fri, 10 Aug 2012 08:54:00 -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-Keywords: wrong-debug X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: --- X-Bugzilla-Changed-Fields: Keywords Status Last reconfirmed Ever Confirmed Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-08/txt/msg00563.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54218 Richard Guenther changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |wrong-debug Status|UNCONFIRMED |NEW Last reconfirmed| |2012-08-10 Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther 2012-08-10 08:53:46 UTC --- That's because the actual parameter value is not used: func (int p) { ;; basic block 2, loop depth 0 ;; pred: ENTRY p_1 = 0; p_2 = 32; return; Partition 0 (p_1 - 1 2 ) Does -fvar-tracking "fix" it?