https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103769
--- Comment #12 from Alexander Lelyakin <alexander.lelyakin at googlemail dot com> --- Great! Just to recall: At the URL https://lelyakin.de/hashtab/ You can always find results of everyday testing how can last version of GCC compile standard c++ headers. And sorry, it cannot compile all of them does not matter in which order.