From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B18B838582A4; Wed, 11 Jan 2023 12:50:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B18B838582A4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1673441456; bh=7yjggrQeyH/sDLxbadRX6DRraaBsda7fLPEoV88Hj6I=; h=From:To:Subject:Date:In-Reply-To:References:From; b=JEVHZalRBOczqR8y1nApIDfPumbNSAtLUjszj17ZcitZDEflGTMkBwhBACTdKTCyB SbrCJ3VhHzmPv7YnA5CCgWLH1mF1ry9BtnzUFMa+58TEOtnqXY6c/oo4cqLojAqvqV +sAd+EijUOlEaFJEBnm/eStq5VXg8StAm1u+9wFc= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108367] [12/13 Regression] ICE: verify_ssa failed (error: definition in block 4 does not dominate use in block 3) since r12-5138-ge82c382971664d6f Date: Wed, 11 Jan 2023 12:50:56 +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: 13.0 X-Bugzilla-Keywords: ice-on-valid-code, openacc X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108367 --- Comment #2 from Richard Biener --- The OACC parloops pass adds a loop-around edge which short-cuts the definit= ion of the debug use. I don't see anywhere how that handles debug stmts - mayb= e it gets fixed during lowering ... (yes, with -fno-checking it looks OK after ompexpssa1). The offending rev. is most certainly not the cause of the actual issue.=