From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20897 invoked by alias); 15 Dec 2014 14:05:02 -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 20846 invoked by uid 48); 15 Dec 2014 14:04:58 -0000 From: "trippels at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/64312] [5 Regression] ICE: Segmentation fault Date: Mon, 15 Dec 2014 14:05:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: trippels 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: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: 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: 2014-12/txt/msg01745.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D64312 --- Comment #1 from Markus Trippelsdorf --- Created attachment 34283 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D34283&action=3Dedit reduced testcase markus@x4 tmp % g++ -w -O2 -std=3Dc++11 type_erased_mix_values.ii type_erased_mix_values.ii: In function =E2=80=98void mix_values_impl() [with =3D int; =3D int; =3D int; =3D int; =3D int; TargetReference =3D int&]=E2=80=99: type_erased_mix_values.ii:105:1: internal compiler error: Segmentation fault mix_values_impl () ^ 0xc6887f crash_signal ../../gcc/gcc/toplev.c:358 0xd5b8a4 gimple_code ../../gcc/gcc/gimple.h:1545 0xd5b8a4 gimple_nop_p ../../gcc/gcc/gimple.h:5589 0xd5b8a4 walk_non_aliased_vuses(ao_ref*, tree_node*, void* (*)(ao_ref*, tree_node*, unsigned int, void*), void* (*)(ao_ref*, tree_node*, void*, boo= l), tree_node* (*)(tree_node*), void*) ../../gcc/gcc/tree-ssa-alias.c:2675 0xdfb76c vn_reference_lookup(tree_node*, tree_node*, vn_lookup_kind, vn_reference_s**) ../../gcc/gcc/tree-ssa-sccvn.c:2217 0xdd8143 eliminate_dom_walker::before_dom_children(basic_block_def*) ../../gcc/gcc/tree-ssa-pre.c:4264 0x12140c7 dom_walker::walk(basic_block_def*) ../../gcc/gcc/domwalk.c:188 0xdd9850 eliminate ../../gcc/gcc/tree-ssa-pre.c:4491 0xdd9aa5 execute ../../gcc/gcc/tree-ssa-pre.c:4910 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. >>From gcc-bugs-return-470739-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Dec 15 14:15:43 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 30992 invoked by alias); 15 Dec 2014 14:15:42 -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 30961 invoked by uid 48); 15 Dec 2014 14:15:35 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/64312] [5 Regression] ICE: Segmentation fault Date: Mon, 15 Dec 2014 14:15:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization 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 everconfirmed 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: 2014-12/txt/msg01746.txt.bz2 Content-length: 560 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64312 Marek Polacek changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-12-15 CC| |mpolacek at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #2 from Marek Polacek --- Confirmed.