From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6A7853858D1E; Tue, 5 Apr 2022 16:19:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6A7853858D1E From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/105166] New: [12 Regression] ICE in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.cc:863 Date: Tue, 05 Apr 2022 16:19:54 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: gscfq@t-online.de 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 bug_severity priority component assigned_to reporter 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: Tue, 05 Apr 2022 16:19:54 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105166 Bug ID: 105166 Summary: [12 Regression] ICE in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.cc:863 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gscfq@t-online.de Target Milestone: --- Started between 20211107 and 20211114, at -O1+ : $ cat z1.c bar (foo, a) int (**foo) (); { (foo)[1] =3D bar; foo[1] (1); } $ gcc-12-20220403 -c z1.c -O2 z1.c:1:1: warning: return type defaults to 'int' [-Wimplicit-int] 1 | bar (foo, a) | ^~~ z1.c: In function 'bar': z1.c:1:1: warning: type of 'a' defaults to 'int' [-Wimplicit-int] during GIMPLE pass: dse z1.c:1:1: internal compiler error: in ao_ref_init_from_ptr_and_range, at tree-ssa-alias.cc:863 0xcfd747 ao_ref_init_from_ptr_and_range(ao_ref*, tree_node*, bool, poly_int= <1u, long>, poly_int<1u, long>, poly_int<1u, long>) ../../gcc/tree-ssa-alias.cc:863 0xa1080b modref_access_node::get_ao_ref(gcall const*, ao_ref*) const ../../gcc/ipa-modref-tree.cc:688 0xd03eb3 stmt_kills_ref_p(gimple*, ao_ref*) ../../gcc/tree-ssa-alias.cc:3461 0xd28b56 dse_classify_store(ao_ref*, gimple*, bool, simple_bitmap_def*, boo= l*, tree_node*) ../../gcc/tree-ssa-dse.cc:1053 0xd2aecf dse_optimize_stmt ../../gcc/tree-ssa-dse.cc:1385 0xd2aecf execute ../../gcc/tree-ssa-dse.cc:1491=