From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5D3233858C3A; Fri, 3 Feb 2023 15:15:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5D3233858C3A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675437301; bh=+ZHexTKajJGgdvf/9XWIQm4OFk0N8YH6p4jOPfGB8NI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mkFbdz0uqZER59pJ/57Bz6yySn/7/BCLddvi/3EWvXw688k2kVd/u7SMCLtYD6P/Y uHeb8SEYpKpD6pUA9nfGghIXG1ouhqov2jedeeQ/PaTvnP2V2+8fq1KEmBZZVM9QsV WlUmZo+xNEdTUdK6Kt/v5TlvsxasHlIE4B1k0Lbc= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108647] [13 Regression] ICE in upper_bound, at value-range.h:950 with -O3 since r13-2974-g67166c9ec35d58ef Date: Fri, 03 Feb 2023 15:15:00 +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 X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 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=3D108647 --- Comment #8 from Jakub Jelinek --- Unfortunately that would mean for the non-equality cases that if lhs.undefined_p () we don't return undefined but false (aka VARYING). Another option is to add those if (op?.undefined_p ()) return false; to both case BRS_TRUE: and case BRS_FALSE:.=