https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107045
Bug ID: 107045 Summary: [modules] ICE on use of std::vector from importable header Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: johelegp at gmail dot com CC: johelegp at gmail dot com Target Milestone: --- See https://godbolt.org/z/qeGb9hhsf. ```sh CXX=g++ echo "./std.hpp std.gcm mod mod.gcm" > mm.txt echo "#include <vector>" > std.hpp echo "export module mod; import \"std.hpp\"; export std::vector<int> v;" > mod.cpp $CXX -std=c++23 -fmodules-ts -fmodule-mapper=mm.txt -x c++-header -c std.hpp $CXX -std=c++23 -fmodules-ts -fmodule-mapper=mm.txt -c mod.cpp ``` Output: ``` mod.cpp:1:8: internal compiler error: in add_binding_entity, at cp/module.cc:12850 1 | export module mod; | ^~~~~~ 0x22c5a9c internal_error(char const*, ...) ???:0 0x9b479b fancy_abort(char const*, int, char const*) ???:0 0xb222f3 walk_module_binding(tree_node*, bitmap_head*, bool (*)(tree_node*, WMB_Flags, void*), void*) ???:0 0xaf184a depset::hash::add_namespace_entities(tree_node*, bitmap_head*) ???:0 0xb0c2a1 module_state::write_begin(elf_out*, cpp_reader*, module_state_config&, unsigned int&) ???:0 0xb0d774 finish_module_processing(cpp_reader*) ???:0 0xa96874 c_parse_final_cleanups() ???:0 0xccf5d2 c_common_parse_file() ???:0 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://bugs.archlinux.org/> for instructions. ``` GCC 12/11 fail on import: ``` In module imported at /app/test.cpp:1:1: mod: error: failed to read compiled module: Bad file data mod: note: compiled module file is '/app/build/mod.gcm' mod: fatal error: returning to the gate for a mechanical issue compilation terminated. ```