https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83595
Bug ID: 83595 Summary: [8 Regression] ICE: in linemap_macro_map_lookup, at libcpp/line-map.c:1008 on invalid code Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Created attachment 42967 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42967&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc testcase.c testcase.c: In function 'foo': testcase.c:4:5: error: expected expression before ')' token (())((int){0); ^ testcase.c:4:5: internal compiler error: in linemap_macro_map_lookup, at libcpp/line-map.c:1008 0x17b7a07 linemap_macro_map_lookup /repo/gcc-trunk/libcpp/line-map.c:1008 0x17b7a07 linemap_lookup(line_maps*, unsigned int) /repo/gcc-trunk/libcpp/line-map.c:942 0x17b8619 get_pure_location(line_maps*, unsigned int) /repo/gcc-trunk/libcpp/line-map.c:335 0x17978e6 get_pure_location /repo/gcc-trunk/gcc/input.h:91 0x17978e6 make_location(unsigned int, unsigned int, unsigned int) /repo/gcc-trunk/gcc/input.c:890 0x97b9fd c_expr::get_location() const /repo/gcc-trunk/gcc/c/c-tree.h:155 0x97b9fd c_parser_expr_list /repo/gcc-trunk/gcc/c/c-parser.c:9390 0x97c3fc c_parser_postfix_expression_after_primary /repo/gcc-trunk/gcc/c/c-parser.c:9128 0x96cc3b c_parser_postfix_expression /repo/gcc-trunk/gcc/c/c-parser.c:8978 0x976362 c_parser_unary_expression /repo/gcc-trunk/gcc/c/c-parser.c:7258 0x97720a c_parser_cast_expression /repo/gcc-trunk/gcc/c/c-parser.c:7102 0x977462 c_parser_binary_expression /repo/gcc-trunk/gcc/c/c-parser.c:6905 0x978275 c_parser_conditional_expression /repo/gcc-trunk/gcc/c/c-parser.c:6643 0x9788c0 c_parser_expr_no_commas /repo/gcc-trunk/gcc/c/c-parser.c:6560 0x978b12 c_parser_expression /repo/gcc-trunk/gcc/c/c-parser.c:9290 0x97ab96 c_parser_expression_conv /repo/gcc-trunk/gcc/c/c-parser.c:9323 0x985fe0 c_parser_statement_after_labels /repo/gcc-trunk/gcc/c/c-parser.c:5538 0x988079 c_parser_compound_statement_nostart /repo/gcc-trunk/gcc/c/c-parser.c:5076 0x988586 c_parser_compound_statement /repo/gcc-trunk/gcc/c/c-parser.c:4911 0x989c9c c_parser_declaration_or_fndef /repo/gcc-trunk/gcc/c/c-parser.c:2340 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-255981-checking-yes-rtl-df-extra-nographite-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --without-cloog --without-ppl --without-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-255981-checking-yes-rtl-df-extra-nographite-amd64 Thread model: posix gcc version 8.0.0 20171222 (experimental) (GCC)