https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99239
--- Comment #2 from Alexander Lelyakin <alexander.lelyakin at googlemail dot com> --- (In reply to Alexander Lelyakin from comment #1) > About half of sequences of headers producing segmentation fault are stopped > on <stop_token>. > However there are another variants: > ---- > g++ -std=c++20 -fmodules-ts -x c++-system-header stdexcept > g++ -std=c++20 -fmodules-ts -x c++-system-header locale Sorry this was for another bug