http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58700
Bug ID: 58700
Summary: [4.8/4.9 Regression] ICE declaring static bit-field
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 triggers an ICE since GCC 4.8.0:
=====================
struct A
{
static int : 4;
};
=====================
bug.cc:3:16: internal compiler error: Segmentation fault
static int : 4;
^
0xb15dff crash_signal
../../gcc/gcc/toplev.c:335
0x5831a7 grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
../../gcc/gcc/cp/decl.c:10642
0x617fcd grokbitfield(cp_declarator const*, cp_decl_specifier_seq*, tree_node*,
tree_node*)
../../gcc/gcc/cp/decl2.c:1043
0x660ba6 cp_parser_member_declaration
../../gcc/gcc/cp/parser.c:20031
0x6402c7 cp_parser_member_specification_opt
../../gcc/gcc/cp/parser.c:19726
0x6402c7 cp_parser_class_specifier_1
../../gcc/gcc/cp/parser.c:18970
0x6402c7 cp_parser_class_specifier
../../gcc/gcc/cp/parser.c:19197
0x6402c7 cp_parser_type_specifier
../../gcc/gcc/cp/parser.c:14144
0x65924f cp_parser_decl_specifier_seq
../../gcc/gcc/cp/parser.c:11389
0x65fd89 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:10979
0x643860 cp_parser_block_declaration
../../gcc/gcc/cp/parser.c:10928
0x66aaae cp_parser_declaration
../../gcc/gcc/cp/parser.c:10825
0x6697ca cp_parser_declaration_seq_opt
../../gcc/gcc/cp/parser.c:10711
0x66b0e6 cp_parser_translation_unit
../../gcc/gcc/cp/parser.c:3989
0x66b0e6 c_parse_file()
../../gcc/gcc/cp/parser.c:30962
0x787f73 c_common_parse_file()
../../gcc/gcc/c-family/c-opts.c:1046
Please submit a full bug report, [etc.]
GCC 4.7.x issued a suitable error message instead:
bug.cc:3:16: error: static member '<anonymous>' cannot be a bit-field
