From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5F8BF3854806; Mon, 20 Feb 2023 11:58:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5F8BF3854806 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1676894280; bh=cjEXFzIvyAfeHWCe4i7PkmnorPyJABqbPAeNwWyqyFg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oOX+HsrFqbUzYKlinXoH2hbTUdWFc2B5FzJIiAhOO2RyZjdCUMsok47sf8QdQJO8R PK9VRD8TUfyz0RCprMC/5sBQ4B7NNuIf90HvSyaSP6EhNkposF3LRaR91FvlihMXMx 0QpIv4TPi08B+Y1lOohPN6Xu25A2vbroaRJdEtn0= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108793] [12/13 Regression] ICE: verify_gimple failed Date: Mon, 20 Feb 2023 11:57:59 +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: 13.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth 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=3D108793 --- Comment #3 from Richard Biener --- It's caused by -1 -A -> ~A being invoked from number_of_iterations_until_wr= ap: 1497 num =3D fold_build2 (MINUS_EXPR, niter_type, wide_int_to_tree (type, max), 1498 iv1->base); (gdb) p iv1->base $3 =3D (gdb) p niter_type $4 =3D while _until_wrap probably doesn't make much sense for pointer IVs, the abo= ve has signed vs. unsigned type issues anyway.=