From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20976 invoked by alias); 13 Nov 2014 08:14:24 -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 Received: (qmail 20911 invoked by uid 48); 13 Nov 2014 08:14:20 -0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/63845] New: c-c++-common/asan/bitfield-1.c fails on i?86 -with -fpic Date: Thu, 13 Nov 2014 08:14:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter cc cf_gcctarget Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-11/txt/msg01080.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D63845 Bug ID: 63845 Summary: c-c++-common/asan/bitfield-1.c fails on i?86 -with -fpic Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: ubizjak at gmail dot com CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org, jakub at gcc dot gnu.org, kcc at gcc dot gnu.org Target: i686-pc-linux-gnu Found when running testsuite on x86_64 -m32 with -fpic: $ ~/gcc-build/gcc/cc1 -quiet -fsanitize=3Daddress -m32 -fpic bitfield-1.c=20 bitfield-1.c: In function =E2=80=98main=E2=80=99: bitfield-1.c:23:1: internal compiler error: in df_refs_verify, at df-scan.c:4088 } ^ 0x6e9a6b df_refs_verify ../../gcc-svn/trunk/gcc/df-scan.c:4088 0x6ed861 df_insn_refs_verify ../../gcc-svn/trunk/gcc/df-scan.c:4161 0x6ede02 df_bb_verify ../../gcc-svn/trunk/gcc/df-scan.c:4188 0x6f1457 df_scan_verify() ../../gcc-svn/trunk/gcc/df-scan.c:4320 0x6df084 df_verify() ../../gcc-svn/trunk/gcc/df-core.c:1860 0x6df084 df_analyze_1 ../../gcc-svn/trunk/gcc/df-core.c:1248 0x8ddbdb ira ../../gcc-svn/trunk/gcc/ira.c:5158 0x8ddbdb execute ../../gcc-svn/trunk/gcc/ira.c:5507 Please submit a full bug report, The failure with -O2 is a bit different: $ ~/gcc-build/gcc/cc1 -quiet -fsanitize=3Daddress -m32 -fpic -O2 bitfield-1= .c=20 bitfield-1.c: In function =E2=80=98main=E2=80=99: bitfield-1.c:23:1: internal compiler error: Segmentation fault } ^ 0xa4ea8f crash_signal ../../gcc-svn/trunk/gcc/toplev.c:358 0x6ea7ff df_install_ref ../../gcc-svn/trunk/gcc/df-scan.c:2331 0x6edfa5 df_install_refs ../../gcc-svn/trunk/gcc/df-scan.c:2413 0x6ee57b df_refs_add_to_chains ../../gcc-svn/trunk/gcc/df-scan.c:2466 0x6f07dc df_bb_refs_record(int, bool) ../../gcc-svn/trunk/gcc/df-scan.c:3399 0x6f098c df_scan_blocks() ../../gcc-svn/trunk/gcc/df-scan.c:629 0x6ddb52 rest_of_handle_df_initialize ../../gcc-svn/trunk/gcc/df-core.c:746 Please submit a full bug report, >>From gcc-bugs-return-466609-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Nov 13 08:20:16 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 25590 invoked by alias); 13 Nov 2014 08:20:16 -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 Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 25506 invoked by uid 48); 13 Nov 2014 08:20:11 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/63845] [5 Regression] c-c++-common/asan/bitfield-1.c fails on i?86 -with -fpic Date: Thu, 13 Nov 2014 08:20:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek 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: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cf_reconfirmed_on cc cf_known_to_work target_milestone short_desc everconfirmed cf_known_to_fail Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-11/txt/msg01081.txt.bz2 Content-length: 990 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63845 Marek Polacek changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-11-13 CC| |mpolacek at gcc dot gnu.org Known to work| |4.9.2 Target Milestone|--- |5.0 Summary|c-c++-common/asan/bitfield- |[5 Regression] |1.c fails on i?86 -with |c-c++-common/asan/bitfield- |-fpic |1.c fails on i?86 -with | |-fpic Ever confirmed|0 |1 Known to fail| |5.0 --- Comment #1 from Marek Polacek --- Confirmed.