From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29220 invoked by alias); 2 Jan 2012 11:20:00 -0000 Received: (qmail 29183 invoked by uid 22791); 2 Jan 2012 11:19:59 -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; Mon, 02 Jan 2012 11:19:45 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/51726] LTO and attribute 'selectany' Date: Mon, 02 Jan 2012 11:20:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: 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: 2012-01/txt/msg00083.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51726 Richard Guenther changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2012-01-02 Ever Confirmed|0 |1 --- Comment #1 from Richard Guenther 2012-01-02 11:19:41 UTC --- It's a target bug - the target should ignore the attribute on extern declarations. case VAR_DECL: if (lookup_attribute ("selectany", DECL_ATTRIBUTES (decl))) { if (DECL_INITIAL (decl) /* If an object is initialized with a ctor, the static initialization and destruction code for it is present in each unit defining the object. The code that calls the ctor is protected by a link-once guard variable, so that the object still has link-once semantics, */ || TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (decl))) make_decl_one_only (decl, DECL_ASSEMBLER_NAME (decl)); else error ("%q+D:'selectany' attribute applies only to " "initialized objects", decl); } thus, restrict processing to !DECL_EXTERNAL