From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29332 invoked by alias); 8 Jan 2012 01:38:31 -0000 Received: (qmail 29324 invoked by uid 22791); 8 Jan 2012 01:38:30 -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; Sun, 08 Jan 2012 01:38:17 +0000 From: "andi-gcc at firstfloor dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/50602] ICE in tree_nrv, at tree-nrv.c:155 during large LTO build Date: Sun, 08 Jan 2012 01:38:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: andi-gcc at firstfloor dot org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 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: 2012-01/txt/msg00775.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50602 --- Comment #12 from Andi Kleen 2012-01-08 01:37:29 UTC --- LTO saves the options in the object files and collects them for the final link. This works as far as I know. The only thing it cannot handle is different incompatible options in different files (but that's more a limitation in LTO than "incorrect code"). The test case doesn't do that. I disagree with your assessment that the test case is invalid. Please undo it.