From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id F254B3858C50; Tue, 5 Apr 2022 16:18:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F254B3858C50 From: "gscfq@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/105165] New: [11/12 Regression] ICE in gimple_redirect_edge_and_branch, at tree-cfg.cc:6136 Date: Tue, 05 Apr 2022 16:18:25 +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 16:18:26 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105165 Bug ID: 105165 Summary: [11/12 Regression] ICE in gimple_redirect_edge_and_branch, at tree-cfg.cc:6136 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 20201108 and 20201115, at -O1+ : (derived from pr100329.c) $ cat z1.c unsigned int _Complex a0; unsigned int _Complex foo (unsigned int _Complex a1, unsigned int _Complex a2) { unsigned int _Complex x; asm goto ("" : "=3Dr" (x) : : : lab); a0 =3D x; lab: return x + a1 + a2 + 1; } $ gcc-12-20220403 -c z1.c -O2 during GIMPLE pass: pre z1.c: In function 'foo': z1.c:3:1: internal compiler error: in gimple_redirect_edge_and_branch, at tree-cfg.cc:6136 3 | foo (unsigned int _Complex a1, unsigned int _Complex a2) | ^~~ 0xc611c5 gimple_redirect_edge_and_branch ../../gcc/tree-cfg.cc:6136 0x7d3139 redirect_edge_and_branch(edge_def*, basic_block_def*) ../../gcc/cfghooks.cc:388 0xc593b8 gimple_split_edge ../../gcc/tree-cfg.cc:2983 0x7d37c5 split_edge(edge_def*) ../../gcc/cfghooks.cc:668 0xc61f67 split_critical_edges(bool) ../../gcc/tree-cfg.cc:9172 0xda6ab1 split_edges_for_insertion() ../../gcc/tree-cfg.h:130 0xda6ab1 execute ../../gcc/tree-ssa-pre.cc:4402=