[Patch] Fix libstdc++/9538

[Benjamin Kosnik]

On Sun, 02 Feb 2003 21:40:11 +0100
Paolo Carlini <pcarlini@unitus.it> wrote:

>2003-02-02  Paolo Carlini  <pcarlini@unitus.it>
>
>	* include/bits/streambuf.tcc (sputbackc): Access
>	this->gptr()[-1] only if _M_in_beg < _M_in_cur.
>	* testsuite/27_io/filebuf_virtuals.cc (test08): Add.

Looks good.