1 #ifndef _GLIBCXX_STRING 2 #define _GLIBCXX_STRING 3 template<typename> struct basic_string { 4 struct _Alloc_hider {} _M_dataplus; ~basic_stringbasic_string5 ~basic_string() { _Alloc_hider h; } 6 }; 7 extern template class basic_string<char>; 8 #endif 9