https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114795
Bug ID: 114795
Summary: internal compiler error: in finish_member_declaration
after module import in gcc 14.0.1 snapshot
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: porten at kde dot org
Target Milestone: ---
This is with a gcc/g++ build created locally from the published snapshot
package gcc-14-20240414.tar.xz.
---------- compiler info ----------
$ g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/opt/gcc-14/libexec/gcc/x86_64-pc-linux-gnu/14.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /home/porten/tmp/gcc-14-20240414/configure --disable-multilib
--prefix=/opt/gcc-14 --enable-languages=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.1 20240414 (experimental) (GCC)
---------- Command triggering the bug ----------
g++ -std=c++2a -fmodules-ts -c url.cpp queue.cpp
---------- url.cpp ----------
module;
#include <chrono>
export module url;
---------- queue.cpp ----------
import url;
#include <format>
---------- output -------------
In file included from /opt/gcc-14/include/c++/14.0.1/concepts:46,
from /opt/gcc-14/include/c++/14.0.1/compare:40,
from /opt/gcc-14/include/c++/14.0.1/array:38,
from /opt/gcc-14/include/c++/14.0.1/format:43,
from queue.cpp:3:
/opt/gcc-14/include/c++/14.0.1/type_traits:89:36: error: template definition of
non-template ‘constexpr const _Tp std::integral_constant<_Tp, __v>::value’
89 | static constexpr _Tp value = __v;
| ^~~
[ ... 7000 lines with compiler errors ... ]
/opt/gcc-14/include/c++/14.0.1/optional:265:30: internal compiler error: in
finish_member_declaration, at cp/semantics.cc:3840
265 | _Storage<_Stored_type> _M_payload;
| ^~~~~~~~~~
0x7fa7e1 finish_member_declaration(tree_node*)
/home/porten/tmp/gcc-14-20240414/gcc/cp/semantics.cc:3840
0xc28be5 cp_parser_member_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:28497
0xbeef63 cp_parser_member_specification_opt
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:27840
0xbeef63 cp_parser_class_specifier
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:26845
0xbeef63 cp_parser_type_specifier
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:20064
0xbf094d cp_parser_decl_specifier_seq
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:16590
0xc25cfa cp_parser_single_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:33143
0xc2619c cp_parser_template_declaration_after_parameters
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:32799
0xc26a80 cp_parser_explicit_template_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:33072
0xc2b599 cp_parser_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:15502
0xc29c99 cp_parser_toplevel_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:15594
0xc29c99 cp_parser_declaration_seq_opt
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:15345
0xc2a13b cp_parser_namespace_body
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:22128
0xc2a13b cp_parser_namespace_definition
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:22106
0xc2b896 cp_parser_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:15553
0xc2bf8a cp_parser_toplevel_declaration
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:15594
0xc2bf8a cp_parser_translation_unit
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:5279
0xc2bf8a c_parse_file()
/home/porten/tmp/gcc-14-20240414/gcc/cp/parser.cc:51268
0xd7ae41 c_common_parse_file()
/home/porten/tmp/gcc-14-20240414/gcc/c-family/c-opts.cc:1311
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.
