https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99239
Bug ID: 99239
Summary: [modules] internal compiler error: in duplicate_decls
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: alexander.lelyakin at googlemail dot com
Target Milestone: ---
g++ -std=c++20 -fmodules-ts -x c++-system-header cstdio
g++ -std=c++20 -fmodules-ts -x c++-system-header string
g++ -std=c++20 -fmodules-ts -x c++-system-header filesystem
-----
In file included from /usr/local/include/c++/11.0.0/bits/functexcept.h:40,
from /usr/local/include/c++/11.0.0/bits/stl_algobase.h:60,
from /usr/local/include/c++/11.0.0/bits/char_traits.h:39,
from /usr/local/include/c++/11.0.0/string:40,
of module /usr/local/include/c++/11.0.0/string, imported at
/usr/local/include/c++/11.0.0/stdexcept:39,
included from /usr/local/include/c++/11.0.0/system_error:41,
from /usr/local/include/c++/11.0.0/bits/fs_fwd.h:35,
from /usr/local/include/c++/11.0.0/filesystem:44:
/usr/local/include/c++/11.0.0/bits/locale_classes.h:461:11: internal compiler
error: in duplicate_decls, at cp/decl.c:2023
461 | __catch(...)
| ^~~~~~~
0x6b37fc duplicate_decls(tree_node*, tree_node*, bool, bool)
../../gcc/gcc/cp/decl.c:2023
0xa83ceb check_module_override
../../gcc/gcc/cp/name-lookup.c:3615
0xa83ceb do_pushdecl
../../gcc/gcc/cp/name-lookup.c:3734
0xa848d1 do_pushdecl
../../gcc/gcc/cp/name-lookup.c:4851
0xa848d1 do_pushdecl_with_scope
../../gcc/gcc/cp/name-lookup.c:4851
0xa84b02 pushdecl_namespace_level(tree_node*, bool)
../../gcc/gcc/cp/name-lookup.c:6213
0xa85bf4 pushdecl_top_level(tree_node*)
../../gcc/gcc/cp/name-lookup.c:8675
0xa072b2 declare_library_fn
../../gcc/gcc/cp/except.c:172
0xa07e9d do_end_catch
../../gcc/gcc/cp/except.c:254
0xa07e9d push_eh_cleanup
../../gcc/gcc/cp/except.c:270
0xa07e9d expand_start_catch_block(tree_node*)
../../gcc/gcc/cp/except.c:408
0xb42764 finish_handler_parms(tree_node*, tree_node*)
../../gcc/gcc/cp/semantics.c:1526
0xac95a3 cp_parser_handler
../../gcc/gcc/cp/parser.c:27094
0xaa9bd7 cp_parser_handler_seq
../../gcc/gcc/cp/parser.c:27069
0xaa9bd7 cp_parser_try_block
../../gcc/gcc/cp/parser.c:27023
0xaa9bd7 cp_parser_statement
../../gcc/gcc/cp/parser.c:11654
0xaaaf3d cp_parser_statement_seq_opt
../../gcc/gcc/cp/parser.c:12112
0xaab018 cp_parser_compound_statement
../../gcc/gcc/cp/parser.c:12062
0xacaf9d cp_parser_implicitly_scoped_statement
../../gcc/gcc/cp/parser.c:13568
0xaaa65d cp_parser_selection_statement
../../gcc/gcc/cp/parser.c:12290
----
g++ (GCC) 11.0.0 20210223 (experimental)
