https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84493
Bug ID: 84493 Summary: [8 Regression] ICE with invalid cast Product: gcc Version: 8.0 Status: UNCONFIRMED Keywords: error-recovery, ice-on-invalid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org Target Milestone: --- The following invalid code snippet triggers an ICE on trunk: ============================= void foo() { (struct {}x){}; } ============================= bug.cc: In function 'void foo()': bug.cc:3:13: error: expected ')' before 'x' (struct {}x){}; ~ ^ ) bug.cc:3:13: internal compiler error: in consume_open, at cp/parser.c:4711 0x6250d2 token_pair<matching_brace_traits>::consume_open(cp_parser*) ../../gcc/gcc/cp/parser.c:4711 0x626972 token_pair<matching_brace_traits>::consume_open(cp_parser*) ../../gcc/gcc/tree.h:3246 0x626972 cp_parser_braced_list ../../gcc/gcc/cp/parser.c:21928 0x930d90 cp_parser_postfix_expression ../../gcc/gcc/cp/parser.c:6989 0x931010 cp_parser_unary_expression ../../gcc/gcc/cp/parser.c:8318 0x91139f cp_parser_cast_expression ../../gcc/gcc/cp/parser.c:9086 0x911baa cp_parser_binary_expression ../../gcc/gcc/cp/parser.c:9187 0x9133e4 cp_parser_assignment_expression ../../gcc/gcc/cp/parser.c:9482 0x913af8 cp_parser_expression ../../gcc/gcc/cp/parser.c:9651 0x9157b8 cp_parser_expression_statement ../../gcc/gcc/cp/parser.c:11118 0x91bb2d cp_parser_statement ../../gcc/gcc/cp/parser.c:10922 0x91d040 cp_parser_statement_seq_opt ../../gcc/gcc/cp/parser.c:11261 0x91d117 cp_parser_compound_statement ../../gcc/gcc/cp/parser.c:11215 0x933890 cp_parser_function_body ../../gcc/gcc/cp/parser.c:21756 0x933890 cp_parser_ctor_initializer_opt_and_function_body ../../gcc/gcc/cp/parser.c:21793 0x934140 cp_parser_function_definition_after_declarator ../../gcc/gcc/cp/parser.c:26694 0x934e74 cp_parser_function_definition_from_specifiers_and_declarator ../../gcc/gcc/cp/parser.c:26610 0x934e74 cp_parser_init_declarator ../../gcc/gcc/cp/parser.c:19482 0x93bf08 cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:13044 0x93cd18 cp_parser_block_declaration ../../gcc/gcc/cp/parser.c:12869 Please submit a full bug report, [etc.] The regression was introduced between 2017-08-10 and 2017-08-19.