From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7C3AE3858C50; Tue, 13 Feb 2024 15:06:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7C3AE3858C50 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1707836804; bh=hIhpqkbL4WAvPCAkPuNQALjO6rESMEj7ZOG3GzimLdE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=UGkvoWdiHtqNWa92CBC01pQZ0wE9qeRj3Jk1LuSyYxh4x/Tm1mmr4GQJA1DbRFoN6 rAhosGezrwXRAS94TzcEcb32P96KieL8hiR7cgR/IRBrPS6VvuTPEzShDN2pWoPkB/ qN0681yMI1on6829IICK8vGz5vzsyVkkWfleB2OU= From: "zhendong.su at inf dot ethz.ch" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113895] [14 Regression] ice in in copy_reference_ops_from_ref, at tree-ssa-sccvn.cc:1144 Date: Tue, 13 Feb 2024 15:06:43 +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: zhendong.su at inf dot ethz.ch 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: 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=3D113895 --- Comment #8 from Zhendong Su --- Another likely related one (though ICE during a different pass and at a different location): [519] % gcctk -v Using built-in specs. COLLECT_GCC=3Dgcctk COLLECT_LTO_WRAPPER=3D/local/home/suz/suz-local/software/local/gcc-trunk/bi= n/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --enable-checking=3Dyes --prefix=3D/local/suz-local/software/local/gcc-trunk --enable-sanitizers --enable-languages=3Dc,c++ --disable-werror --enable-mu= ltilib Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.1 20240213 (experimental) (GCC)=20 [520] %=20 [520] % gcctk -O1 small.c during GIMPLE pass: fre small.c: In function =E2=80=98main=E2=80=99: small.c:8:1: internal compiler error: in copy_reference_ops_from_ref, at tree-ssa-sccvn.cc:1165 8 | } | ^ 0x863773 copy_reference_ops_from_ref ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:1165 0x1298f9a valueize_shared_reference_ops_from_ref ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:1858 0x1298f9a valueize_shared_reference_ops_from_ref ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:1853 0x1298f9a vn_reference_lookup(tree_node*, tree_node*, vn_lookup_kind, vn_reference_s**, bool, tree_node**, tree_node*, bool) ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:4063 0x129d8b4 visit_reference_op_load ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:5852 0x129d8b4 visit_stmt ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:6373 0x129df5f process_bb ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:8145 0x129f81e do_rpo_vn_1 ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:8746 0x12a1253 execute ../../gcc-trunk/gcc/tree-ssa-sccvn.cc:8907 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See for instructions. [521] %=20 [521] % cat small.c extern void f(); char a[1][1], b; int main() { int c =3D -1U; if (b) f(a[c][b]); return 0; }=