https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117152
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The backtrace with locations is:
117152.cc:3:48: error: could not convert ‘{0}’ from ‘<brace-enclosed
initializer list>’ to ‘S<int>&&’
3 | friend constexpr S<int>::S(S<int>&& = {0}) noexcept;
| ^~~~~~~~
| |
| <brace-enclosed
initializer list>
‘
Segmentation fault
0x2d6b0b2 internal_error(char const*, ...)
../../gcc/diagnostic-global-context.cc:491
0x1172d5b crash_signal
../../gcc/toplev.cc:319
0x5b045f dump_function_name
../../gcc/cp/error.cc:2033
0x5af2ea dump_function_decl
../../gcc/cp/error.cc:1838
0x5abf61 dump_decl
../../gcc/cp/error.cc:1427
0x5b6b80 decl_to_string
../../gcc/cp/error.cc:3324
0x5bad63 cp_printer
../../gcc/cp/error.cc:4497
0x2d98ffb pretty_printer::format(text_info*, urlifier const*)
../../gcc/pretty-print.cc:1774
0xad8a0e pp_format(pretty_printer*, text_info*, urlifier const*)
../../gcc/pretty-print.h:575
0x2d59a39 diagnostic_context::report_diagnostic(diagnostic_info*)
../../gcc/diagnostic.cc:1472
0x2d5a0de diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, int, char const*, __va_list_tag (*) [1],
diagnostic_t)
../../gcc/diagnostic.cc:1618
0x2d6a369 permerror(unsigned int, char const*, ...)
../../gcc/diagnostic-global-context.cc:307
0x5526c0 grokfndecl
../../gcc/cp/decl.cc:10739
0x561dc9 grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
../../gcc/cp/decl.cc:14789
0x586ab5 grokfield(cp_declarator const*, cp_decl_specifier_seq*, tree_node*,
bool, tree_node*, tree_node*)
../../gcc/cp/decl2.cc:1054
0x6f04cf cp_parser_member_declaration
../../gcc/cp/parser.cc:28714
0x6ef0f5 cp_parser_member_specification_opt
../../gcc/cp/parser.cc:28078
0x6ec98c cp_parser_class_specifier
../../gcc/cp/parser.cc:27067
0x6dd9e1 cp_parser_type_specifier
../../gcc/cp/parser.cc:20234
0x6d7a13 cp_parser_decl_specifier_seq
../../gcc/cp/parser.cc:16760
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
