From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by sourceware.org (Postfix) with ESMTP id 03F6A3858431 for ; Tue, 22 Feb 2022 15:45:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 03F6A3858431 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=kernel.crashing.org Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id 21MFiWhX021043; Tue, 22 Feb 2022 09:44:32 -0600 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id 21MFiWha021040; Tue, 22 Feb 2022 09:44:32 -0600 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Tue, 22 Feb 2022 09:44:32 -0600 From: Segher Boessenkool To: Krishna Narayanan Cc: Jonathan Wakely , gcc-help Subject: Re: Doubt regarding dg-directives Message-ID: <20220222154432.GV614@gate.crashing.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Feb 2022 15:45:34 -0000 On Tue, Feb 22, 2022 at 09:08:40PM +0530, Krishna Narayanan via Gcc-help wrote: > Yes, it does. > I used dg-warning and not dg warning (that was a sheer typing mistake). > The warning is about the uninitialized variable being used in the > testcase yet there is no warning on that line and the test results in > FAIL. > I used /* { dg-warning "uninitialized" } */ on that particular line.I > used the test in gcc.dg, with other directive /* { dg-options "-O2" } > */ . > Can you help me where I went wrong? Please send the verbatim testcase (and don't top-post please). Guessing is a fun game sometimes, but more often it is just frustrating. Segher