From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D7B333858D37; Wed, 27 Dec 2023 11:54:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D7B333858D37 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1703678097; bh=vUDo/DoXRunqlvrWwZW1jc5ANJiC6RFQnNTdEp+oQr0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=GbcPU8SJqQdO0mW2BAf/Pb4pVpKJfIdL0WiideWshG5m9N7vAmFtd6A/CeTgZWJ5g XFkO2m3tfMsZ9X6tON8iVyD33ppjZAE/OO0b5K5oaxcwaR0xss6MhGaAiExjP3hkXG d57aXe05JfibXyNciHTx+5mmBUbjX/7h+Lx8e1qg= From: "tnfchris at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113144] [14 regression] ICE when building dpkg-1.21.15 in verify_dominators (error: dominator of 9 should be 48, not 12) Date: Wed, 27 Dec 2023 11:54:56 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: tnfchris at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: tnfchris at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 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=3D113144 --- Comment #5 from Tamar Christina --- Loop seems to have been peeled and versioned, and has very convoluted seque= nce of merge blocks for the exits. I initially thought it would be enough to update the immediate reachable bl= ocks from the new exits. But looks like I need to update any block of which they are a parent of. Patch work and now vectorizes the example. Added to regression pile for today.=