https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99284
Bug ID: 99284 Summary: [modules] ICE in key_mergeable, at cp/module.cc:10441 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 thread g++ -std=c++20 -fmodules-ts -x c++-system-header cerrno g++ -std=c++20 -fmodules-ts -x c++-system-header ostream g++ -std=c++20 -fmodules-ts -x c++-system-header cwchar g++ -std=c++20 -fmodules-ts -x c++-system-header regex ---- /usr/local/include/c++/11.0.1/regex: internal compiler error: in key_mergeable, at cp/module.cc:10441 0x6e22aa trees_out::key_mergeable(int, merge_kind, tree_node*, tree_node*, tree_node*, depset*) ../../gcc/gcc/cp/module.cc:10441 0xa5a401 trees_out::decl_value(tree_node*, depset*) ../../gcc/gcc/cp/module.cc:7769 0xa620d3 depset::hash::find_dependencies(module_state*) ../../gcc/gcc/cp/module.cc:13237 0xa62738 module_state::write(elf_out*, cpp_reader*) ../../gcc/gcc/cp/module.cc:17652 0xa63bbc finish_module_processing(cpp_reader*) ../../gcc/gcc/cp/module.cc:19920 0x9f730b c_parse_final_cleanups() ../../gcc/gcc/cp/decl2.c:5175 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. ---- g++ (GCC) 11.0.1 20210225 (experimental) Copyright (C) 2021 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ----