From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15280 invoked by alias); 26 Aug 2011 14:38:01 -0000 Received: (qmail 15272 invoked by uid 22791); 26 Aug 2011 14:38:00 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 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, 26 Aug 2011 14:37:43 +0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/50179] [4.6/4.7 Regression] wrong "set but not used" warning Date: Fri, 26 Aug 2011 14:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.2 X-Bugzilla-Changed-Fields: 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: 2011-08/txt/msg02166.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50179 --- Comment #2 from Jakub Jelinek 2011-08-26 14:37:25 UTC --- Author: jakub Date: Fri Aug 26 14:37:22 2011 New Revision: 178110 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178110 Log: PR c/50179 * c-typeck.c (c_process_expr_stmt): Skip over nops and call mark_exp_read even if exprv is ADDR_EXPR. * c-c++-common/Wunused-var-14.c: New test. Added: trunk/gcc/testsuite/c-c++-common/Wunused-var-14.c Modified: trunk/gcc/ChangeLog trunk/gcc/c-typeck.c trunk/gcc/testsuite/ChangeLog