http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54527
--- Comment #1 from vurentjie <vurentjie at gmail dot com> 2012-09-08 14:19:45 UTC --- i did try follow this deeper, but the __ostream_insert specialization for wchar_t is not in ostream_insert.h, but it seems to be declared in ostream-inst.cc (libstd++ implementation) i may decide to look further but first want to hear if there is something i am missing