From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5FFFB3857818; Sat, 17 Oct 2020 16:21:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5FFFB3857818 From: "gabravier at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug preprocessor/97471] New: ICE on using function-like macro as a non function-like macro Date: Sat, 17 Oct 2020 16:21:21 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: gabravier at gmail 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 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: Sat, 17 Oct 2020 16:21:21 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97471 Bug ID: 97471 Summary: ICE on using function-like macro as a non function-like macro Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: preprocessor Assignee: unassigned at gcc dot gnu.org Reporter: gabravier at gmail dot com Target Milestone: --- #define a() b a This crashes GCC's preprocessor on current trunk (as of the 16th), with this message : :2:1: internal compiler error: Segmentation fault 2 | a | ^ 0x19720a9 internal_error(char const*, ...) ???:0 0x19b406f _cpp_lex_direct ???:0 0x19b5ab5 _cpp_lex_token ???:0 0x77c4c0 c_lex_with_flags(tree_node**, unsigned int*, unsigned char*, int) ???:0 0x6eb1ae c_parser_peek_2nd_token(c_parser*) ???:0 0x721b39 c_parse_file() ???:0 0x78bdf2 c_common_parse_file() ???:0 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. Compiler returned: 1 GCC -v output : Using built-in specs. COLLECT_GCC=3D/opt/compiler-explorer/gcc-snapshot/bin/gcc Target: x86_64-linux-gnu Configured with: ../gcc-trunk-20201017/configure --prefix=3D/opt/compiler-explorer/gcc-build/staging --build=3Dx86_64-linux-= gnu --host=3Dx86_64-linux-gnu --target=3Dx86_64-linux-gnu --disable-bootstrap --enable-multiarch --with-abi=3Dm64 --with-multilib-list=3Dm32,m64,mx32 --enable-multilib --enable-clocale=3Dgnu --enable-languages=3Dc,c++,fortran= ,ada,d --enable-ld=3Dyes --enable-gold=3Dyes --enable-libstdcxx-debug --enable-libstdcxx-time=3Dyes --enable-linker-build-id --enable-lto --enable-plugins --enable-threads=3Dposix --with-pkgversion=3DCompiler-Explorer-Build Thread model: posix Supported LTO compression algorithms: zlib gcc version 11.0.0 20201016 (experimental) (Compiler-Explorer-Build)=20 COLLECT_GCC_OPTIONS=3D'-fdiagnostics-color=3Dalways' '-g' '-o' './output.s' '-masm=3Dintel' '-S' '-v' '-mtune=3Dgeneric' '-march=3Dx86-64' '-dumpdir' '= ./' /opt/compiler-explorer/gcc-trunk-20201017/bin/../libexec/gcc/x86_64-linux-g= nu/11.0.0/cc1 -quiet -v -imultiarch x86_64-linux-gnu -iprefix /opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/x86_64-linux-gnu/1= 1.0.0/ -quiet -dumpdir ./ -dumpbase output.c -dumpbase-ext .c -masm=3Dint= el -mtune=3Dgeneric -march=3Dx86-64 -g -version -fdiagnostics-color=3Dalways -o ./output.s GNU C17 (Compiler-Explorer-Build) version 11.0.0 20201016 (experimental) (x86_64-linux-gnu) compiled by GNU C version 7.5.0, GMP version 6.1.0, MPFR version 3.= 1.4, MPC version 1.0.3, isl version isl-0.18-GMP GGC heuristics: --param ggc-min-expand=3D30 --param ggc-min-heapsize=3D4096 ignoring nonexistent directory "/opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/x86_64-linux-gnu/= 11.0.0/../../../../x86_64-linux-gnu/include" ignoring duplicate directory "/opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/../../lib/gcc/x86= _64-linux-gnu/11.0.0/include" ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring duplicate directory "/opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/../../lib/gcc/x86= _64-linux-gnu/11.0.0/include-fixed" ignoring nonexistent directory "/opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/../../lib/gcc/x86= _64-linux-gnu/11.0.0/../../../../x86_64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/x86_64-linux-gnu/1= 1.0.0/include /opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/x86_64-linux-gnu/1= 1.0.0/include-fixed /usr/local/include /opt/compiler-explorer/gcc-trunk-20201017/bin/../lib/gcc/../../include /usr/include/x86_64-linux-gnu /usr/include End of search list. GNU C17 (Compiler-Explorer-Build) version 11.0.0 20201016 (experimental) (x86_64-linux-gnu) compiled by GNU C version 7.5.0, GMP version 6.1.0, MPFR version 3.= 1.4, MPC version 1.0.3, isl version isl-0.18-GMP GGC heuristics: --param ggc-min-expand=3D30 --param ggc-min-heapsize=3D4096 Compiler executable checksum: 129d0909b5f5d2346755498e10395559=