From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7247 invoked by alias); 12 Dec 2014 15:43:16 -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 Received: (qmail 7171 invoked by uid 48); 12 Dec 2014 15:43:07 -0000 From: "burnus at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/64043] [5 Regression] ICE (segfault) with LTO: in tree_check/tree.h:2758 get_binfo_at_offset/tree.c:11914 Date: Fri, 12 Dec 2014 15:43:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: lto 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: ASSIGNED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: hubicka at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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/msg01433.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D64043 --- Comment #7 from Tobias Burnus --- Now fails with the following backtrace. The location of the failure might h= ave changed due to the patch at https://gcc.gnu.org/ml/gcc-patches/2014-12/msg01076.html ; in any case, currently the failure is: foo.ii: In member function =E2=80=98__base_dtor =E2=80=99: foo.ii:11:1: internal compiler error: Segmentation fault FooWriter::~FooWriter () { delete validator; } ^ 0xa1f99f crash_signal ../../gcc/toplev.c:358 0x873daf tree_check(tree_node*, char const*, int, char const*, tree_code) ../../gcc/tree.h:2778 0x873daf ipa_polymorphic_call_context::get_dynamic_type(tree_node*, tree_no= de*, tree_node*, gimple_statement_base*) 0xb9787e eliminate_dom_walker::before_dom_children(basic_block_def*) ../../gcc/tree-ssa-pre.c:4334 >>From gcc-bugs-return-470427-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Fri Dec 12 15:47:36 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 12407 invoked by alias); 12 Dec 2014 15:47:36 -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 12363 invoked by uid 55); 12 Dec 2014 15:47:32 -0000 From: "rsandifo at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/64182] [5 Regression] wide-int rounding division is broken Date: Fri, 12 Dec 2014 15:47:00 -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-Version: 5.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rsandifo at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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/msg01434.txt.bz2 Content-length: 1157 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64182 --- Comment #9 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Fri Dec 12 15:46:57 2014 New Revision: 218678 URL: https://gcc.gnu.org/viewcvs?rev=218678&root=gcc&view=rev Log: gcc/ PR middle-end/64182 * wide-int.h (wi::div_round, wi::mod_round): Fix rounding of tied cases. * double-int.c (div_and_round_double): Fix handling of unsigned cases. Use same rounding approach as wide-int.h. gcc/testsuite/ 2014-xx-xx Richard Sandiford Joseph Myers PR middle-end/64182 * gcc.dg/plugin/wide-int-test-1.c, gcc.dg/plugin/wide-int_plugin.c: New test. * gcc.dg/plugin/plugin.exp: Register it. * gnat.dg/round_div.adb: New test. Added: trunk/gcc/testsuite/gcc.dg/plugin/wide-int-test-1.c trunk/gcc/testsuite/gcc.dg/plugin/wide-int_plugin.c trunk/gcc/testsuite/gnat.dg/round_div.adb Modified: trunk/gcc/ChangeLog trunk/gcc/double-int.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/plugin/plugin.exp trunk/gcc/wide-int.h