https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101894
Bug ID: 101894
Summary: [11/12 Regression] [concepts] ICE with multiple friend
declarations
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: reichelt at gcc dot gnu.org
Target Milestone: ---
The following valid code snippet (compiled with "-fconcepts")
triggers an ICE since GCC 11:
=================================
struct A
{
friend void foo(auto);
friend void foo(auto) {}
};
=================================
bug.cc:4:25: internal compiler error: in push_template_decl, at cp/pt.c:5714
4 | friend void foo(auto) {}
| ^
0x6fe076 push_template_decl(tree_node*, bool)
../../gcc/gcc/cp/pt.c:5714
0x9ba6f4 start_preparsed_function(tree_node*, tree_node*, int)
../../gcc/gcc/cp/decl.c:16635
0xac45f2 cp_parser_late_parsing_for_member
../../gcc/gcc/cp/parser.c:31801
0xa9d73b cp_parser_class_specifier_1
../../gcc/gcc/cp/parser.c:25879
0xa9e6cf cp_parser_class_specifier
../../gcc/gcc/cp/parser.c:25903
0xa9e6cf cp_parser_type_specifier
../../gcc/gcc/cp/parser.c:19121
0xa9f6cc cp_parser_decl_specifier_seq
../../gcc/gcc/cp/parser.c:15713
0xaa0644 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:14961
0xacfdb5 cp_parser_declaration
../../gcc/gcc/cp/parser.c:14787
0xad078e cp_parser_toplevel_declaration
../../gcc/gcc/cp/parser.c:14808
0xad078e cp_parser_translation_unit
../../gcc/gcc/cp/parser.c:4978
0xad078e c_parse_file()
../../gcc/gcc/cp/parser.c:46558
0xbf924d c_common_parse_file()
../../gcc/gcc/c-family/c-opts.c:1223
Please submit a full bug report, [etc.]
