https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95505
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Iain Sandoe from comment #3) > So another possibility is to make the std::no throw_t type available and > just construct a temporary object of that type when doing the lookup. That seems preferable, to avoid a dependency on the extern symbol definition for std::nothrow.