From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6571 invoked by alias); 8 Aug 2002 16:06:01 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 6549 invoked by uid 71); 8 Aug 2002 16:06:01 -0000 Resent-Date: 8 Aug 2002 16:06:01 -0000 Resent-Message-ID: <20020808160601.6548.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-To: nobody@gcc.gnu.org Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, trt@sas.com Received: (qmail 6511 invoked by uid 61); 8 Aug 2002 16:05:43 -0000 Message-Id: <20020808160543.6510.qmail@sources.redhat.com> Date: Thu, 08 Aug 2002 09:16:00 -0000 From: trt@sas.com Reply-To: trt@sas.com To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version: gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: c/7543: Suggest new warning message for gcc X-SW-Source: 2002-08/txt/msg00173.txt.bz2 List-Id: >Number: 7543 >Category: c >Synopsis: Suggest new warning message for gcc >Confidential: no >Severity: non-critical >Priority: medium >Responsible: unassigned >State: open >Class: change-request >Submitter-Id: net >Arrival-Date: Thu Aug 08 09:06:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Tom Truscott >Release: gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-81) >Organization: >Environment: >Description: gcc currently does not warn about the logic error in the following program: int subr(int flags) { return (!flags & 0x80) ? 1 : 0; } It should have been (!(flags & 0x80)) >How-To-Repeat: Compile the above program, with -W -Wall, whatever. No warning message. >Fix: A patch to gcc which gives a warning in this situation appears in http://gcc.gnu.org/ml/gcc-patches/2002-06/msg01523.html >Release-Note: >Audit-Trail: >Unformatted: