From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CA0B93858412; Fri, 15 Oct 2021 02:44:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CA0B93858412 From: "cnsun at uwaterloo dot ca" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/102759] New: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes Date: Fri, 15 Oct 2021 02:44:46 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cnsun at uwaterloo dot ca 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 bug_severity priority component assigned_to reporter target_milestone 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Oct 2021 02:44:46 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102759 Bug ID: 102759 Summary: ICE: Segmentation fault, contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*), maybe_check_access_sizes Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- This might be a duplicate to PR 100784 $ gcc-trunk -v Using built-in specs. COLLECT_GCC=3Dgcc-trunk COLLECT_LTO_WRAPPER=3D/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-lin= ux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/configure --enable-languages=3Dc,c++,lto --enable-checking-yes --enable-multiarch --prefix=3D/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211014 (experimental) [master -gee9fa8a57] (GCC) $ cat mutant.c a4() { void fa4(int[]); } void fa4(); call_fa4() { fa4(a4); } $ gcc-trunk -w mutant.c during GIMPLE pass: waccess mutant.c: In function =E2=80=98call_fa4=E2=80=99: mutant.c:3:1: internal compiler error: Segmentation fault 3 | call_fa4() { fa4(a4); } | ^~~~~~~~ 0xf8c8d3 crash_signal /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/toplev.c:326 0x72b653 contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*) /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/tree.h:3546 0x72b653 maybe_check_access_sizes /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:2= 880 0xc822f4 check_call /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3= 151 0xc822f4 check /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3= 310 0xc822f4 check /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3= 326 0xc822f4 execute /tmp/tmp.gzh6IUhxke-gcc-builder/gcc/gcc/gimple-ssa-warn-access.cc:3= 340 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions.=