From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id F12FD383E818; Wed, 6 May 2020 09:16:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F12FD383E818 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1588756571; bh=Jt7MnLkNykcg8aFXB1cEZDW8chP/uCYNMxWx14xkDPk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ZU4zdb6rIR3jhDbVnueZ3WpBGSKSjEWElak8G4uLzjmlraVFlpMarhL6ULDnSdqrk bpHCXGgJGOOOWJQ/tnrvBu/x+dXhNraERV32upDVgubrKCDrXubuNLCjGhnugYHzQT J8V1fgNa2lwMBzhHANljxOXR14VfmgGJ1+qBam4s= From: "krebbel at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/94969] Invalid loop distribution Date: Wed, 06 May 2020 09:16:11 +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: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: critical X-Bugzilla-Who: krebbel 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: 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-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: Wed, 06 May 2020 09:16:12 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94969 --- Comment #1 from Andreas Krebbel --- The problem arises from dr_analyze_innermost not being able to analyze the bitfield access. However, the returned error is ignored in find_data_references_in_stmt and execution continues with bogus values in t= he data reference object.=