http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48340
--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-04-03 17:58:14 UTC --- Created attachment 23858 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23858 handle ctype::mask values that don't fit in 16bits this should fix it, but changes the size of ctype<wchar_t> on Irix, which would break the ABI