https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97958
Bug ID: 97958 Summary: ICE in build2, at tree.c:4868 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Affects versions down to at least r5 : $ cat z1.c int f () { #pragma omp atomic f = f + 1; } $ gcc-11-20201122 -c z1.c -fopenmp z1.c: In function 'f': z1.c:4:3: internal compiler error: in build2, at tree.c:4868 4 | f = f + 1; | ^ 0xdaaf2d build2(tree_code, tree_node*, tree_node*, tree_node*) ../../gcc/tree.c:4867 0x674105 c_parser_binary_expression ../../gcc/c/c-parser.c:8010 0x674b15 c_parser_conditional_expression ../../gcc/c/c-parser.c:7607 0x675071 c_parser_expr_no_commas ../../gcc/c/c-parser.c:7522 0x67ffd0 c_parser_omp_atomic ../../gcc/c/c-parser.c:17677 0x69045c c_parser_omp_construct ../../gcc/c/c-parser.c:21546 0x66dd07 c_parser_pragma ../../gcc/c/c-parser.c:12517 0x688206 c_parser_compound_statement_nostart ../../gcc/c/c-parser.c:5764 0x6885d3 c_parser_compound_statement ../../gcc/c/c-parser.c:5606 0x689e61 c_parser_declaration_or_fndef ../../gcc/c/c-parser.c:2543 0x690a47 c_parser_external_declaration ../../gcc/c/c-parser.c:1777 0x691569 c_parser_translation_unit ../../gcc/c/c-parser.c:1650 0x691569 c_parse_file() ../../gcc/c/c-parser.c:21882 0x6e0772 c_common_parse_file() ../../gcc/c-family/c-opts.c:1198