From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 2B0E93851402; Wed, 29 Mar 2023 18:18:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2B0E93851402 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1680113921; bh=LKTrf5FUv3KBkOkdaQnFz5hocQEZuOU3IKVJTvIXjR4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=geN6TdJDZIJE5aSlGLeRNASIN28Bxcn1EUEPUohYH0BKoFKeKddOBzjuJyMlbp8B7 V/d7tlKyHrXDpQVg4GbauyXb4Do2tEPZjRYHxJkeD8rkCVanQbEq0jEtiqQ4OX01ZQ BDkl9uUdy5XklHOBbsIS1waoosMnkEbN3OaFhVMo= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: =?UTF-8?B?W0J1ZyBhbmFseXplci8xMDc5NDhdIEdDQyBTdGF0aWMgQW5hbHl6?= =?UTF-8?B?ZXIgZG9lc24ndCByZWFsaXplIGAwIC0gd2lkdGggPD0gMGAgaXMgYWx3YXlz?= =?UTF-8?B?IHRydWUgd2hlbiBgd2lkdGggPiAwYCBhbmQgYHdpZHRoIGlzIGludGAgdHlw?= =?UTF-8?B?Ze+8jA==?= Date: Wed, 29 Mar 2023 18:18:40 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: dmalcolm 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107948 --- Comment #4 from CVS Commits --- The releases/gcc-12 branch has been updated by David Malcolm : https://gcc.gnu.org/g:a7cc8ecefb72f06368b055fa60f5a2ff2eb6dfdb commit r12-9360-ga7cc8ecefb72f06368b055fa60f5a2ff2eb6dfdb Author: David Malcolm Date: Wed Mar 29 14:16:48 2023 -0400 analyzer: handle comparisons against negated symbolic values [PR107948] Cherrypicked from r13-4456-g0b737090a69624. gcc/analyzer/ChangeLog: PR analyzer/107948 * region-model-manager.cc (region_model_manager::maybe_fold_binop): Fold (0 - VAL) to -VA= L. * region-model.cc (region_model::eval_condition): Handle e.g. "-X <=3D 0" as equivalent to X >=3D 0". gcc/testsuite/ChangeLog: PR analyzer/107948 * gcc.dg/analyzer/feasibility-pr107948.c: New test. Signed-off-by: David Malcolm =