https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78188
--- Comment #17 from David Edelsohn <dje at gcc dot gnu.org> --- ld: 0711-317 ERROR: Undefined symbol: .std::allocator<char>::allocator() ld: 0711-317 ERROR: Undefined symbol: .std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(char const*, std::allocator<char> const&) ld: 0711-317 ERROR: Undefined symbol: .std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() ld: 0711-317 ERROR: Undefined symbol: .std::allocator<char>::~allocator()
