From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C37323858D20; Wed, 13 Sep 2023 18:19:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C37323858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1694629199; bh=SvLdxMorB5KGmjOPqrdYNdeOPGFelQIw9t74KAm9mqU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=sPTGZTu8TUe0yxtaMmhnmd6KLf3cExjmcDNrayN5YG3UHmOIJC1Shn7vBTSLa1GPc AZbsdQRclQ2g/ecznMOu/helhoYMoulpc58Bl/DyVzxuYWMh14J5hA3viplOPXE8ND qxR29NTAkU4yJeXtZQCev0+VAAYmO4wzDDN+ar94= From: "qinzhao at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/111407] ICE: SSA corruption due to widening_mul opt on conflict across an abnormal edge Date: Wed, 13 Sep 2023 18:19:59 +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: 14.0 X-Bugzilla-Keywords: ice-checking, ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: qinzhao 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: --- 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=3D111407 --- Comment #7 from qinzhao at gcc dot gnu.org --- (In reply to Andrew Pinski from comment #5) > Testcase: thanks a lot for the testing case. GCC8 failed with this, disable tree-widening_mul fixed the failure. and my patch for GCC8 also fixed the failure. will test GCC14 as well.=