From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1880B3858C20; Fri, 1 Dec 2023 09:56:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1880B3858C20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1701424593; bh=r76Z7bQOoDUeGUt4zKWSiZE9PBY1gm399oRXhSl+trA=; h=From:To:Subject:Date:From; b=JBl/uiBfwPbjW/dmD0v0km3xv6b2hsV52ZaJamVvBYNPJ6ixrtOCxEUXJ0cehfCOm 1oLwUjAkfYrsoGEQQ6n9TaiC7Li3Gm/gI9krvU/SsoEoDbWRUh5oirS8qgmOR8mCRU iOvLnFIyHcZa+aBp6aRhLAQ3uU5IsXYVWztJCv24= From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/112807] New: ICE: SIGSEGV in contains_struct_check (tree.h:3747) with _BitInt() at -O1 and above Date: Fri, 01 Dec 2023 09:56:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: zsojka at seznam dot cz X-Bugzilla-Status: UNCONFIRMED 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: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter cc target_milestone cf_gcchost cf_gcctarget attachments.created Message-ID: 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=3D112807 Bug ID: 112807 Summary: ICE: SIGSEGV in contains_struct_check (tree.h:3747) with _BitInt() at -O1 and above Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: jakub at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 56751 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D56751&action=3Dedit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O testcase.c -wrapper valgrind,-q =3D=3D11799=3D=3D Invalid read of size 2 =3D=3D11799=3D=3D at 0x253EF3F: contains_struct_check (tree.h:3747) =3D=3D11799=3D=3D by 0x253EF3F: (anonymous namespace)::bitint_large_huge::lower_addsub_overflow(tree_node*, gimple*) (gimple-lower-bitint.cc:3951) =3D=3D11799=3D=3D by 0x2543129: (anonymous namespace)::bitint_large_huge::lower_call(tree_node*, gimple*) (gimple-lower-bitint.cc:5039) =3D=3D11799=3D=3D by 0x254D626: gimple_lower_bitint() (gimple-lower-biti= nt.cc:6386) =3D=3D11799=3D=3D by 0x13A2D3A: execute_one_pass(opt_pass*) (passes.cc:2= 641) =3D=3D11799=3D=3D by 0x13A361F: execute_pass_list_1(opt_pass*) (passes.c= c:2750) =3D=3D11799=3D=3D by 0x13A3631: execute_pass_list_1(opt_pass*) (passes.c= c:2751) =3D=3D11799=3D=3D by 0x13A3658: execute_pass_list(function*, opt_pass*) (passes.cc:2761) =3D=3D11799=3D=3D by 0xFB0755: expand (cgraphunit.cc:1841) =3D=3D11799=3D=3D by 0xFB0755: cgraph_node::expand() (cgraphunit.cc:1794) =3D=3D11799=3D=3D by 0xFB1A9A: expand_all_functions (cgraphunit.cc:2024) =3D=3D11799=3D=3D by 0xFB1A9A: symbol_table::compile() [clone .part.0] (cgraphunit.cc:2398) =3D=3D11799=3D=3D by 0xFB4607: compile (cgraphunit.cc:2311) =3D=3D11799=3D=3D by 0xFB4607: symbol_table::finalize_compilation_unit() (cgraphunit.cc:2583) =3D=3D11799=3D=3D by 0x14E5F21: compile_file() (toplev.cc:473) =3D=3D11799=3D=3D by 0xDD221B: do_compile (toplev.cc:2150) =3D=3D11799=3D=3D by 0xDD221B: toplev::main(int, char**) (toplev.cc:2306) =3D=3D11799=3D=3D Address 0x0 is not stack'd, malloc'd or (recently) free'd =3D=3D11799=3D=3D=20 during GIMPLE pass: bitintlower testcase.c: In function 'foo': testcase.c:2:1: internal compiler error: Segmentation fault 2 | foo (unsigned a, _BitInt (2) b, _BitInt (256) c) | ^~~ 0x14e5a3f crash_signal /repo/gcc-trunk/gcc/toplev.cc:316 0x253ef3f contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*) /repo/gcc-trunk/gcc/tree.h:3747 0x253ef3f lower_addsub_overflow /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:3951 0x2543129 lower_call /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:5039 0x254d626 gimple_lower_bitint /repo/gcc-trunk/gcc/gimple-lower-bitint.cc:6386 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. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=3D/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-g= cc COLLECT_LTO_WRAPPER=3D/repo/gcc-trunk/binary-trunk-r14-6048-20231201170246-= g6563d6767ed-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc= /x86_64-pc-linux-gnu/14.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=3Dc,c++ --enable-valgrind-annotations --disable-nls --enable-checking=3Dyes,rtl,df,= extra --disable-bootstrap --with-cloog --with-ppl --with-isl --build=3Dx86_64-pc-linux-gnu --host=3Dx86_64-pc-linux-gnu --target=3Dx86_64-pc-linux-gnu --with-ld=3D/usr/bin/x86_64-pc-linux-gnu-ld --with-as=3D/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=3D/repo/gcc-trunk//binary-trunk-r14-6048-20231201170246-g6563d6767= ed-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20231201 (experimental) (GCC)=