https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109300
Bug ID: 109300 Summary: [13 Regression] ICE in cp_finish_decl, at cp/decl.cc:8279 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started between 20230226 and 20230312 : $ cat z1.cc template<typename T> auto x = [](){ x<int>(); }; $ gcc-13-20230326 -c z1.cc z1.cc: In instantiation of 'auto x<int>': z1.cc:2:16: required from here z1.cc:2:6: internal compiler error: in cp_finish_decl, at cp/decl.cc:8279 2 | auto x = [](){ x<int>(); }; | ^ 0x7a8893 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int) ../../gcc/cp/decl.cc:8279 0x899b2a instantiate_body ../../gcc/cp/pt.cc:26799 0x89aa6f instantiate_decl(tree_node*, bool, bool) ../../gcc/cp/pt.cc:27121 0x7b210a maybe_instantiate_decl(tree_node*) ../../gcc/cp/decl2.cc:5448 0x7b2c62 mark_used(tree_node*, int) ../../gcc/cp/decl2.cc:5747 0x8cc5c3 finish_id_expression_1 ../../gcc/cp/semantics.cc:4269 0x8cc5c3 finish_id_expression(tree_node*, tree_node*, tree_node*, cp_id_kind*, bool, bool, bool*, bool, bool, bool, bool, char const**, unsigned int) ../../gcc/cp/semantics.cc:4411 0x853ecf cp_parser_primary_expression ../../gcc/cp/parser.cc:6149 0x856e76 cp_parser_postfix_expression ../../gcc/cp/parser.cc:7777 0x86a60f cp_parser_unary_expression ../../gcc/cp/parser.cc:9141 0x83e79f cp_parser_cast_expression ../../gcc/cp/parser.cc:10045 0x83f07f cp_parser_binary_expression ../../gcc/cp/parser.cc:10147 0x83fa74 cp_parser_assignment_expression ../../gcc/cp/parser.cc:10490 0x8411b2 cp_parser_expression ../../gcc/cp/parser.cc:10660 0x844837 cp_parser_expression_statement ../../gcc/cp/parser.cc:12816 0x851cbc cp_parser_statement ../../gcc/cp/parser.cc:12596 0x852d54 cp_parser_statement_seq_opt ../../gcc/cp/parser.cc:12967 0x852e0f cp_parser_compound_statement ../../gcc/cp/parser.cc:12919 0x853967 cp_parser_function_body ../../gcc/cp/parser.cc:25335 0x853967 cp_parser_lambda_body ../../gcc/cp/parser.cc:11837