From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25172 invoked by alias); 9 Nov 2010 19:05:02 -0000 Received: (qmail 25155 invoked by uid 22791); 9 Nov 2010 19:05:01 -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; Tue, 09 Nov 2010 19:04:57 +0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/46171] [4.6 Regression] ICE: in gen_rtx_SUBREG, at emit-rtl.c:774 with -fno-tree-dce -g X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.0 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 Date: Tue, 09 Nov 2010 19:05:00 -0000 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: 2010-11/txt/msg01172.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46171 --- Comment #4 from Jakub Jelinek 2010-11-09 19:04:48 UTC --- Author: jakub Date: Tue Nov 9 19:04:44 2010 New Revision: 166504 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166504 Log: PR debug/46171 * df-problems.c (struct dead_debug_use, struct dead_debug): Move earlier. (df_set_unused_notes_for_mw, df_create_unused_note): Add DEBUG argument, call dead_debug_reset when adding REG_UNUSED note. (dead_debug_reset): New function. (df_note_bb_compute): Adjust df_set_unused_notes_for_mw and df_create_unused_note callers. * gcc.dg/pr46171.c: New test. Added: trunk/gcc/testsuite/gcc.dg/pr46171.c Modified: trunk/gcc/ChangeLog trunk/gcc/df-problems.c trunk/gcc/testsuite/ChangeLog