http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60215
Bug ID: 60215 Summary: [4.9 Regression] ICE with invalid bit-field size Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org The following invalid code snippet (compiled with "-std=c++11") triggers an ICE on trunk: ================== struct A { void foo(); int i : foo; }; ================== bug.cc:4:11: error: width of bit-field 'i' has non-integral type '<unresolved overloaded function type>' int i : foo; ^ bug.cc:4:11: internal compiler error: in cxx_eval_constant_expression, at cp/semantics.c:9679 0x73dfc0 cxx_eval_constant_expression ../../gcc/gcc/cp/semantics.c:9679 0x7410d5 cxx_eval_outermost_constant_expr ../../gcc/gcc/cp/semantics.c:9807 0x6597ac check_bitfield_decl ../../gcc/gcc/cp/class.c:3250 0x6597ac check_field_decls ../../gcc/gcc/cp/class.c:3619 0x67002b check_bases_and_members ../../gcc/gcc/cp/class.c:5511 0x675221 finish_struct_1(tree_node*) ../../gcc/gcc/cp/class.c:6484 0x677574 finish_struct(tree_node*, tree_node*) ../../gcc/gcc/cp/class.c:6801 0x6a97ba cp_parser_class_specifier_1 ../../gcc/gcc/cp/parser.c:19218 0x6a97ba cp_parser_class_specifier ../../gcc/gcc/cp/parser.c:19437 0x6a97ba cp_parser_type_specifier ../../gcc/gcc/cp/parser.c:14302 0x6c2ba0 cp_parser_decl_specifier_seq ../../gcc/gcc/cp/parser.c:11547 0x6c9799 cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:11137 0x6acc63 cp_parser_block_declaration ../../gcc/gcc/cp/parser.c:11086 0x6d3f12 cp_parser_declaration ../../gcc/gcc/cp/parser.c:10983 0x6d2c08 cp_parser_declaration_seq_opt ../../gcc/gcc/cp/parser.c:10869 0x6d44aa cp_parser_translation_unit ../../gcc/gcc/cp/parser.c:4014 0x6d44aa c_parse_file() ../../gcc/gcc/cp/parser.c:31536 0x7f3813 c_common_parse_file() ../../gcc/gcc/c-family/c-opts.c:1060 Please submit a full bug report, [etc.]