https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619
Bug ID: 100619 Summary: ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/configure --enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch --prefix=/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210514 (experimental) [master revision :e5c3c8afa:f3b1516d9dfd969d7cc1ca6f26dec13478a1c458] (GCC) $ cat mutant.c n1; a2pampan (int (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((([][n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1]); $ gcc-trunk mutant.c mutant.c:1:1: warning: data definition has no type or storage class 1 | n1; | ^~ mutant.c:1:1: warning: type defaults to ‘int’ in declaration of ‘n1’ [-Wimplicit-int] mutant.c:2:1: warning: data definition has no type or storage class 2 | a2pampan | ^~~~~~~~ mutant.c:2:1: warning: type defaults to ‘int’ in declaration of ‘a2pampan’ [-Wimplicit-int] mutant.c:4:4: internal compiler error: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 4 | (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((([][n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1]); | ^ 0x674eda build_attr_access_from_parms(tree_node*, bool) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c-family/c-attribs.c:5038 0x8e1e78 finish_decl(tree_node*, unsigned int, tree_node*, tree_node*, tree_node*) /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-decl.c:5540 0x94466b c_parser_declaration_or_fndef /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:2370 0x94ce93 c_parser_external_declaration /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:1777 0x94d8f9 c_parser_translation_unit /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:1650 0x94d8f9 c_parse_file() /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:21984 0x9adc35 c_common_parse_file() /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c-family/c-opts.c:1218 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.