From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BB5ED3851C3B; Sat, 9 May 2020 20:50:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BB5ED3851C3B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1589057452; bh=MnuGGD9lRa8Vtehjy1D2pS2v9utLP79MNYRCpRkPj90=; h=From:To:Subject:Date:From; b=c3buNz2/wqwVPlMxMVJ+6Htp/++O6rSSfdEeGI3S80F7wgLxwzNocpTaFiiwf4xp6 DNLhwJCB13+0dBx+HO73f5FC/gxR7K779t8+jj4HC8vQDjNiEMwU8D9kWsGNEO3hib fia9dDI6gUzpyhJNVrOUB8UbBPCVNmVw60ZPzinI= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug regression/95025] New: [11 Regression] ICE in execute_sm_exit at gcc/tree-ssa-loop-im.c:2224 since r11-161-g283cb9ea6293e813 Date: Sat, 09 May 2020 20:50:52 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: regression X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: 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 target_milestone 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-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 May 2020 20:50:52 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95025 Bug ID: 95025 Summary: [11 Regression] ICE in execute_sm_exit at gcc/tree-ssa-loop-im.c:2224 since r11-161-g283cb9ea6293e813 Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: regression Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: rguenth at gcc dot gnu.org Target Milestone: --- The following is causing ICE: $ cat lim.ii struct a { int b; } * c; struct d { d *e; }; struct f { bool done; d *g; }; int h; int i(f *j) { if (j->g) { j->g =3D j->g->e; return h; } j->done =3D true; return 0; } void k(bool j) { c->b =3D j; } void l() { f a; for (; !(&a)->done; i(&a)) k(true); } $ ./xgcc -B. /tmp/tree-into-ssa.ii -c -O2 -fsanitize=3Daddress during GIMPLE pass: lim ../../gcc/tree-into-ssa.c: In member function =E2=80=98virtual edge_def* mark_def_dom_walker::before_dom_children(basic_block)=E2=80=99: ../../gcc/tree-into-ssa.c:2336:1: internal compiler error: Segmentation fau= lt 2336 | mark_def_dom_walker::before_dom_children (basic_block bb) | ^~~~~~~~~~~~~~~~~~~ 0xf217cf crash_signal ../../gcc/toplev.c:328 0x1089b3e execute_sm_exit ../../gcc/tree-ssa-loop-im.c:2224 0x108fa03 hoist_memory_references ../../gcc/tree-ssa-loop-im.c:2562 0x108fa03 store_motion_loop ../../gcc/tree-ssa-loop-im.c:2824 0x108e94d store_motion_loop ../../gcc/tree-ssa-loop-im.c:2830 0x1090d3a store_motion ../../gcc/tree-ssa-loop-im.c:2845 0x1090d3a tree_ssa_lim ../../gcc/tree-ssa-loop-im.c:3065 0x1090d3a execute ../../gcc/tree-ssa-loop-im.c:3115=