https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100659
Bug ID: 100659
Summary: [11/12 Regression] ICE in supplement_binding_1, at
cp/name-lookup.c:2702
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20201108 and 20201115 :
$ cat z1.cc
template <typename> struct A
{
A::E::V;
enum { V };
};
$ g++-12-20210516 -c z1.cc
z1.cc:3:3: warning: access declarations are deprecated in favour of
using-declarations; suggestion: add the 'using' keyword [-Wdeprecated]
3 | A::E::V;
| ^
z1.cc:4:10: internal compiler error: Segmentation fault
4 | enum { V };
| ^
0xce3fcf crash_signal
../../gcc/toplev.c:327
0x75543c supplement_binding_1
../../gcc/cp/name-lookup.c:2702
0x759e06 supplement_binding
../../gcc/cp/name-lookup.c:2746
0x759e06 push_class_level_binding_1
../../gcc/cp/name-lookup.c:5549
0x759e06 push_class_level_binding(tree_node*, tree_node*)
../../gcc/cp/name-lookup.c:5567
0x759f7e pushdecl_class_level(tree_node*)
../../gcc/cp/name-lookup.c:5280
0x7eb4d7 finish_member_declaration(tree_node*)
../../gcc/cp/semantics.c:3468
0x6dda21 build_enumerator(tree_node*, tree_node*, tree_node*, tree_node*,
unsigned int)
../../gcc/cp/decl.c:16323
0x781d79 cp_parser_enumerator_definition
../../gcc/cp/parser.c:20284
0x781d79 cp_parser_enumerator_list
../../gcc/cp/parser.c:20213
0x781d79 cp_parser_enum_specifier
../../gcc/cp/parser.c:20143
0x781d79 cp_parser_type_specifier
../../gcc/cp/parser.c:18455
0x782246 cp_parser_decl_specifier_seq
../../gcc/cp/parser.c:15086
0x7a560a cp_parser_member_declaration
../../gcc/cp/parser.c:26003
0x77f7de cp_parser_member_specification_opt
../../gcc/cp/parser.c:25860
0x77f7de cp_parser_class_specifier_1
../../gcc/cp/parser.c:24932
0x781750 cp_parser_class_specifier
../../gcc/cp/parser.c:25248
0x781750 cp_parser_type_specifier
../../gcc/cp/parser.c:18485
0x782246 cp_parser_decl_specifier_seq
../../gcc/cp/parser.c:15086
0x7a43f5 cp_parser_single_declaration
../../gcc/cp/parser.c:30513
