https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113740
Bug ID: 113740 Summary: ICE: in build_bitint_type, at tree.cc:7178 with _BitInt() as bitfeld Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: c 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 57307 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57307&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc testcase.c testcase.c:3:1: internal compiler error: in build_bitint_type, at tree.cc:7178 3 | }; | ^ 0x89961c build_bitint_type(unsigned long, int) /repo/gcc-trunk/gcc/tree.cc:7178 0xe0e96b finish_struct(unsigned int, tree_node*, tree_node*, tree_node*, c_struct_parse_info*, tree_node**) /repo/gcc-trunk/gcc/c/c-decl.cc:9560 0xe69d7d c_parser_struct_or_union_specifier /repo/gcc-trunk/gcc/c/c-parser.cc:4090 0xe69d7d c_parser_declspecs(c_parser*, c_declspecs*, bool, bool, bool, bool, bool, bool, bool, c_lookahead_kind) /repo/gcc-trunk/gcc/c/c-parser.cc:3494 0xe792ec c_parser_declaration_or_fndef /repo/gcc-trunk/gcc/c/c-parser.cc:2306 0xe854bb c_parser_external_declaration /repo/gcc-trunk/gcc/c/c-parser.cc:2046 0xe85ea5 c_parser_translation_unit /repo/gcc-trunk/gcc/c/c-parser.cc:1900 0xe85ea5 c_parse_file() /repo/gcc-trunk/gcc/c/c-parser.cc:26815 0xefd681 c_common_parse_file() /repo/gcc-trunk/gcc/c-family/c-opts.cc:1306 Please submit a full bug report, with preprocessed source (by using -freport-bug). 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-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-8771-20240203001826-g4b7d4d8a4af-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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 --with-cloog --with-ppl --with-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-r14-8771-20240203001826-g4b7d4d8a4af-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240203 (experimental) (GCC)