https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99238
Bug ID: 99238 Summary: [modules] internal compiler error: segmentation fault 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 optional g++ -std=c++20 -fmodules-ts -x c++-system-header condition_variable g++ -std=c++20 -fmodules-ts -x c++-system-header ranges g++ -std=c++20 -fmodules-ts -x c++-system-header cstdlib g++ -std=c++20 -fmodules-ts -x c++-system-header set g++ -std=c++20 -fmodules-ts -x c++-system-header iomanip ------- /usr/local/include/c++/11.0.0/iomanip: internal compiler error: Segmentation fault 0x10fb80f crash_signal ../../gcc/gcc/toplev.c:327 0x6de77a trees_out::get_tag(tree_node*) ../../gcc/gcc/cp/module.cc:4896 0x6de77a trees_out::ref_node(tree_node*) ../../gcc/gcc/cp/module.cc:7203 0x6de77a trees_out::ref_node(tree_node*) ../../gcc/gcc/cp/module.cc:7186 0xa5beec trees_out::tree_node(tree_node*) ../../gcc/gcc/cp/module.cc:9053 0xa5de21 trees_out::type_node(tree_node*) ../../gcc/gcc/cp/module.cc:8776 0xa5c2ea trees_out::tree_node(tree_node*) ../../gcc/gcc/cp/module.cc:9136 0xa5dbdc trees_out::type_node(tree_node*) ../../gcc/gcc/cp/module.cc:8694 0xa5c2ea trees_out::tree_node(tree_node*) ../../gcc/gcc/cp/module.cc:9136 0xa5e064 trees_out::type_node(tree_node*) ../../gcc/gcc/cp/module.cc:8803 0xa5c2ea trees_out::tree_node(tree_node*) ../../gcc/gcc/cp/module.cc:9136 0xa5cc1f trees_out::core_vals(tree_node*) ../../gcc/gcc/cp/module.cc:6106 0xa5dafc trees_out::tree_node_vals(tree_node*) ../../gcc/gcc/cp/module.cc:7166 0xa5dafc trees_out::fn_parms_init(tree_node*) ../../gcc/gcc/cp/module.cc:10067 0xa5aa96 trees_out::decl_value(tree_node*, depset*) ../../gcc/gcc/cp/module.cc:7763 0xa61fd3 depset::hash::find_dependencies(module_state*) ../../gcc/gcc/cp/module.cc:13235 0xa62625 module_state::write(elf_out*, cpp_reader*) ../../gcc/gcc/cp/module.cc:17611 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)