fstream.tcc (basic_filebuf<>::underflow): Don't call codecvt::in at all if _M_ext_next >= _M_ext_end. 2007-03-27 Paolo Carlini <pcarlini@suse.de> * include/bits/fstream.tcc (basic_filebuf<>::underflow): Don't call codecvt::in at all if _M_ext_next >= _M_ext_end. * testsuite/27_io/basic_filebuf/underflow/char/3.cc: New. From-SVN: r123260