From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10540 invoked by alias); 7 Dec 2012 12:12:04 -0000 Received: (qmail 10401 invoked by uid 48); 7 Dec 2012 12:11:33 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/43631] var-tracking inserts notes with non-NULL BLOCK_FOR_INSN in between basic blocks Date: Fri, 07 Dec 2012 12:12:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: wrong-debug 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: --- X-Bugzilla-Changed-Fields: Status AssignedTo 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: 2012-12/txt/msg00692.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43631 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |ASSIGNED AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org |gnu.org | --- Comment #15 from Jakub Jelinek 2012-12-07 12:11:24 UTC --- Created attachment 28890 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28890 gcc48-pr43631.patch No, initially I've fixed this up in cleanup_barriers, to allow NOTE_INSN_CALL_ARG_LOCATION in between noreturn CALL_INSN and following BARRIER, which is what var-tracking was emitting. But, double checking dwarf2out.c reveals that we could indeed emit the notes after BARRIER instead if there is any. So I'm leaning towards this patch.