http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58607
Bug ID: 58607
Summary: [4.9 Regression] ICE with undeclared variable in
constexpr
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 (GCC 4.9.0 20130920):
=========================
struct A
{
constexpr A() { i; }
};
=========================
bug.cc: In constructor 'constexpr A::A()':
bug.cc:3:19: error: 'i' was not declared in this scope
constexpr A() { i; }
^
bug.cc:3:22: internal compiler error: in build_data_member_initialization, at
cp/semantics.c:6032
constexpr A() { i; }
^
0x6c177e build_data_member_initialization
../../gcc/gcc/cp/semantics.c:6032
0x6c1cc9 build_constexpr_constructor_member_initializers
../../gcc/gcc/cp/semantics.c:6209
0x6c1cc9 massage_constexpr_body
../../gcc/gcc/cp/semantics.c:6290
0x6c94f3 register_constexpr_fundef(tree_node*, tree_node*)
../../gcc/gcc/cp/semantics.c:6394
0x568058 maybe_save_function_definition
../../gcc/gcc/cp/decl.c:13771
0x568058 finish_function(int)
../../gcc/gcc/cp/decl.c:13892
0x65090d cp_parser_function_definition_after_declarator
../../gcc/gcc/cp/parser.c:22346
0x635fbc cp_parser_late_parsing_for_member
../../gcc/gcc/cp/parser.c:22995
0x635fbc cp_parser_class_specifier_1
../../gcc/gcc/cp/parser.c:19078
0x638180 cp_parser_class_specifier
../../gcc/gcc/cp/parser.c:19102
0x638180 cp_parser_type_specifier
../../gcc/gcc/cp/parser.c:14081
0x64d679 cp_parser_decl_specifier_seq
../../gcc/gcc/cp/parser.c:11328
0x651719 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:10918
0x653740 cp_parser_block_declaration
../../gcc/gcc/cp/parser.c:10867
0x65c76e cp_parser_declaration
../../gcc/gcc/cp/parser.c:10764
0x65b4da cp_parser_declaration_seq_opt
../../gcc/gcc/cp/parser.c:10650
0x65cda6 cp_parser_translation_unit
../../gcc/gcc/cp/parser.c:3939
0x65cda6 c_parse_file()
../../gcc/gcc/cp/parser.c:28900
0x7707e3 c_common_parse_file()
../../gcc/gcc/c-family/c-opts.c:1046
Please submit a full bug report, [etc.]
