From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30431 invoked by alias); 27 Feb 2012 11:17:01 -0000 Received: (qmail 30418 invoked by uid 22791); 27 Feb 2012 11:17:01 -0000 X-SWARE-Spam-Status: No, hits=-2.8 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; Mon, 27 Feb 2012 11:16:49 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/52399] With `-flto', `-Wno-clobbered' does not suppress the "might be clobbered" warning Date: Mon, 27 Feb 2012 11:19:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto X-Bugzilla-Keywords: diagnostic, lto 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: 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: 2012-02/txt/msg02566.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52399 Richard Guenther changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-02-27 Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther 2012-02-27 11:16:47 UTC --- Confirmed. This is because Wclobbered is a C family option but the warning is generated by middle-end code. lto1 would simply ignore -Wno-clobbered. -Wall is also a C family option and so ignored by lto1 btw. -Wall would need to be split up in parts for lto option processing.