https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99240
Bug ID: 99240 Summary: internal compiler error: in get_merge_kind, at cp/module.cc:10169 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 array g++ -std=c++20 -fmodules-ts -x c++-system-header istream g++ -std=c++20 -fmodules-ts -x c++-system-header compare g++ -std=c++20 -fmodules-ts -x c++-system-header thread ----- /usr/local/include/c++/11.0.0/thread: internal compiler error: in get_merge_kind, at cp/module.cc:10169 0x6dcd5f trees_out::get_merge_kind(tree_node*, depset*) ../../gcc/gcc/cp/module.cc:10169 0xa5a163 trees_out::decl_value(tree_node*, depset*) ../../gcc/gcc/cp/module.cc:7629 0xa5b0bb trees_out::decl_node(tree_node*, walk_kind) ../../gcc/gcc/cp/module.cc:8624 0xa5c0b2 trees_out::tree_node(tree_node*) ../../gcc/gcc/cp/module.cc:9179 0xa61a03 module_state::write_pendings(elf_out*, vec<depset*, va_heap, vl_ptr>, depset::hash&, unsigned int, unsigned int*) ../../gcc/gcc/cp/module.cc:15414 0xa63230 module_state::write(elf_out*, cpp_reader*) ../../gcc/gcc/cp/module.cc:17759 0xa638fc finish_module_processing(cpp_reader*) ../../gcc/gcc/cp/module.cc:19860 0x9f72cb c_parse_final_cleanups() ../../gcc/gcc/cp/decl2.c:5175 ----- g++ (GCC) 11.0.0 20210223 (experimental)