From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6465D3857C73; Mon, 26 Oct 2020 08:37:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6465D3857C73 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug preprocessor/97577] New: [11 Regression] ICE: Segmentation fault (in get_location_from_adhoc_loc) Date: Mon, 26 Oct 2020 08:37:17 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: preprocessor X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: error-recovery, ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com 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 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: Mon, 26 Oct 2020 08:37:17 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97577 Bug ID: 97577 Summary: [11 Regression] ICE: Segmentation fault (in get_location_from_adhoc_loc) Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: error-recovery, ice-on-invalid-code Severity: normal Priority: P3 Component: preprocessor Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-11.0.0-alpha20201025 snapshot (g:308e40331f9d2820f8286769b5fc7646711873= 64) ICEs when compiling the following testcase, reduced from test/Preprocessor/annotate_in_macro_arg.c from the clang 10.0.1 test suite: #define M1() M1( #if M1() #endif #pragma pack() % MALLOC_PERTURB_=3D1 MALLOC_CHECK_=3D3 gcc-11.0.0 -c ifhvkm83.c ifhvkm83.c:5:9: error: #if with no expression 5 | #if M1() | ^ ifhvkm83.c:7:9: internal compiler error: Segmentation fault 7 | #pragma pack() | ^~~~ 0xdbaf3f crash_signal =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/toplev.c:330 0x192e151 get_location_from_adhoc_loc(line_maps const*, unsigned int) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/line-map.c:257 0x192e151 linemap_resolve_location(line_maps*, unsigned int, location_resolution_kind, line_map_ordinary const**) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/line-map.c:1540 0x18e8933 diagnostic_report_current_module(diagnostic_context*, unsigned in= t) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/diagnostic.c:683 0xe15071 diagnostic_report_current_function(diagnostic_context*, diagnostic_info*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/tree-diagnostic.c:39 0xe150d0 default_tree_diagnostic_starter =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/tree-diagnostic.c:48 0x18e6a27 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info= *) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/diagnostic.c:1206 0x885aaa c_cpp_diagnostic(cpp_reader*, cpp_diagnostic_level, cpp_warning_reason, rich_location*, char const*, __va_list_tag (*) [1]) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/c-family/c-common.c:6364 0x191df49 cpp_diagnostic_at =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/errors.c:42 0x191df49 cpp_diagnostic =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/errors.c:75 0x191e06e cpp_error(cpp_reader*, cpp_diagnostic_level, char const*, ...) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/errors.c:89 0x1931f58 collect_args =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/macro.c:1267 0x1931f58 funlike_invocation_p =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/macro.c:1326 0x1931f58 enter_macro_context =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/macro.c:1401 0x19326e2 cpp_get_token_1 =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/li= bcpp/macro.c:2890 0x89fe80 c_lex_with_flags(tree_node**, unsigned int*, unsigned char*, int) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/c-family/c-lex.c:457 0x81d67a c_lex_one_token =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/c/c-parser.c:279 0x85005a c_parser_peek_token(c_parser*) =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/c/c-parser.c:483 0x85005a c_parse_file() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/c/c-parser.c:21819 0x8abe2d c_common_parse_file() =20=20=20=20=20=20=20 /var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201025/work/gcc-11-20201025/gc= c/c-family/c-opts.c:1188 I've failed to reproduce it w/ valgrind so far.=