From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24998 invoked by alias); 19 Nov 2014 11:19:38 -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 24945 invoked by uid 48); 19 Nov 2014 11:19:35 -0000 From: "burnus at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/63956] New: [5 Regression][UBSAN] ICE segfault in cxx_eval_call_expression ../../gcc/cp/constexpr.c Date: Wed, 19 Nov 2014 11:19:00 -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: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: burnus at gcc dot gnu.org 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 keywords bug_severity priority component assigned_to reporter cc attachments.created 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/msg01843.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D63956 Bug ID: 63956 Summary: [5 Regression][UBSAN] ICE segfault in cxx_eval_call_expression ../../gcc/cp/constexpr.c Product: gcc Version: 5.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: burnus at gcc dot gnu.org 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, mpolacek at gcc dot gnu.org Created attachment 34035 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D34035&action=3Dedit Test case (scan16.ii) That's a new regression. It was working when I reduce PR63813 (i.e. on 2014-11-11) as that ICE came later. It now ICEs with todays GCC (r217759). g++ -S -std=3Dc++11 -fsanitize=3Dundefined scan16.ii scan16.ii:51:28: in constexpr expansion of =E2=80=98std::validator.std::unique_ptr::unique_ptr()=E2=80= =99 scan16.ii:51:28: internal compiler error: Segmentation fault unique_ptr < Validator > validator; ^ 0xcba72f crash_signal ../../gcc/toplev.c:359 0x81ea9a cxx_eval_call_expression ../../gcc/cp/constexpr.c:1147 0x820b1c cxx_eval_constant_expression ../../gcc/cp/constexpr.c:2864 >>From gcc-bugs-return-467373-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Nov 19 11:22:53 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 28247 invoked by alias); 19 Nov 2014 11:22:53 -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 28225 invoked by uid 48); 19 Nov 2014 11:22:50 -0000 From: "pab at pabigot dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/63954] msp430 multiplication unsafe for use in interrupts Date: Wed, 19 Nov 2014 11:22:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pab at pabigot dot com X-Bugzilla-Status: RESOLVED 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_status resolution 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/msg01845.txt.bz2 Content-length: 500 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63954 Peter A. Bigot changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Peter A. Bigot --- Sorry, bogus: the necessary dint/conditional eint are present in the macro wrappers.