https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98760
Bug ID: 98760
Summary: [modules] ICE in add_module_decl
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: boris at kolpackov dot net
Target Milestone: ---
The attached set of modules cause an internal compiler error:
c++ mxx{format}
c++ mxx{check}
c++ mxx{hello}
c++ cxx{hello}
/home/boris/work/build2/tests/modules/gcc2/bugs/x/hello.cxx: In function ‘void
hello::say_hello(std::ostream&, const string_view&)’:
/home/boris/work/build2/tests/modules/gcc2/bugs/x/hello.cxx:18:10: internal
compiler error: in add_module_decl, at cp/name-lookup.c:4188
18 | o << format_hello (n) << std::endl;
| ^~~~~~~~~~~~
0xc8ff5c add_module_decl(tree_node*, tree_node*, tree_node*)
../../gcc/gcc/cp/name-lookup.c:4188
0xc5cc17 module_state::read_cluster(unsigned int)
../../gcc/gcc/cp/module.cc:14888
0xc66826 module_state::load_section(unsigned int, binding_slot*)
../../gcc/gcc/cp/module.cc:18036
0xc68b6c lazy_load_binding(unsigned int, tree_node*, tree_node*, binding_slot*)
../../gcc/gcc/cp/module.cc:18718
0xc80298 name_lookup::search_namespace_only(tree_node*)
../../gcc/gcc/cp/name-lookup.c:918
0xc80f82 name_lookup::search_unqualified(tree_node*, cp_binding_level*)
../../gcc/gcc/cp/name-lookup.c:1149
0xc9b77d lookup_name_1
../../gcc/gcc/cp/name-lookup.c:7910
0xc9b86d lookup_name(tree_node*, LOOK_where, LOOK_want)
../../gcc/gcc/cp/name-lookup.c:7930
0xb6f6d5 lookup_name(tree_node*, LOOK_want)
../../gcc/gcc/cp/name-lookup.h:413
0xce7da2 cp_parser_lookup_name
../../gcc/gcc/cp/parser.c:29285
0xcddbf9 cp_parser_class_name
../../gcc/gcc/cp/parser.c:24612
0xcd1b56 cp_parser_type_name
../../gcc/gcc/cp/parser.c:19162
0xcd108d cp_parser_simple_type_specifier
../../gcc/gcc/cp/parser.c:18865
0xcb90d9 cp_parser_postfix_expression
../../gcc/gcc/cp/parser.c:7420
0xcbc6aa cp_parser_unary_expression
../../gcc/gcc/cp/parser.c:8818
0xcbddc5 cp_parser_cast_expression
../../gcc/gcc/cp/parser.c:9722
0xcea805 cp_parser_simple_cast_expression
../../gcc/gcc/cp/parser.c:30478
0xcbe1d5 cp_parser_binary_expression
../../gcc/gcc/cp/parser.c:9890
0xcbedc7 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:10128
0xcbf135 cp_parser_expression
../../gcc/gcc/cp/parser.c:10298
