https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80866
Bug ID: 80866
Summary: [8 Regression] segfault in is_overloaded_fn()
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: nathan at gcc dot gnu.org
Target Milestone: ---
% cat pow_test.ii
void pow();
namespace math {
template <typename T> void pow(T);
}
using namespace math;
decltype(pow<>(0)) z();
% g++ -c pow_test.ii
pow_test.ii:6:10: internal compiler error: Segmentation fault
decltype(pow<>(0)) z();
^~~~~
0xd537bf crash_signal
../../gcc/gcc/toplev.c:337
0x7acc14 is_overloaded_fn(tree_node*)
../../gcc/gcc/cp/tree.c:2297
0x792535 finish_id_expression(tree_node*, tree_node*, tree_node*, cp_id_kind*,
bool, bool, bool*, bool, bool, bool, bool, char const**, unsigned int)
../../gcc/gcc/cp/semantics.c:3742
0x6f25c2 cp_parser_primary_expression
../../gcc/gcc/cp/parser.c:5325
0x70576f cp_parser_postfix_expression
../../gcc/gcc/cp/parser.c:6781
0x70652d cp_parser_unary_expression
../../gcc/gcc/cp/parser.c:8117
0x707543 cp_parser_cast_expression
../../gcc/gcc/cp/parser.c:8796
0x707c67 cp_parser_binary_expression
../../gcc/gcc/cp/parser.c:8897
0x708544 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:9184
0x70c388 cp_parser_expression
../../gcc/gcc/cp/parser.c:9353
0x70c87c cp_parser_decltype_expr
../../gcc/gcc/cp/parser.c:13756
0x70c87c cp_parser_decltype
../../gcc/gcc/cp/parser.c:13836
0x71294f cp_parser_simple_type_specifier
../../gcc/gcc/cp/parser.c:16735
0x7001bd cp_parser_type_specifier
../../gcc/gcc/cp/parser.c:16520
0x70140a cp_parser_decl_specifier_seq
../../gcc/gcc/cp/parser.c:13353
0x720551 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:12678
0x721455 cp_parser_block_declaration
../../gcc/gcc/cp/parser.c:12625
0x726924 cp_parser_declaration
../../gcc/gcc/cp/parser.c:12523
0x72855b cp_parser_declaration_seq_opt
../../gcc/gcc/cp/parser.c:12399
0x72883a cp_parser_translation_unit
../../gcc/gcc/cp/parser.c:4364
