2006-10-06 Paolo Carlini <pcarlini@suse.de>

	PR libstdc++/29354
	* include/bits/sstream.tcc (basic_stringbuf<>::seekpos(pos_type,
	ios_base::openmode)): Allow for seek to pos_type(off_type(0))
	when the stream is empty.
	* testsuite/27_io/basic_stringbuf/seekpos/char/29354.cc: New.
	* testsuite/27_io/basic_stringbuf/seekpos/wchar_t/29354.cc: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117494 138bc75d-0d04-0410-961f-82ee72b054a4