[Patch] Fix libstdc++/7744

[Gabriel Dos Reis]

Benjamin Kosnik <bkoz@redhat.com> writes:

| >Just to be sure: you prefer, for instance:
| >
| >   __basic_file<char>::_M_xsgetn(char* __s, streamsize __n)
| >
| >right?
| 
| This isn't part of the standard interface: it doesn't have to be uglified. 

Well, it is precisely because it isn't part of the standard trat it ought
to be uglified, just like anything else we uglified because they
aren't part of the standard interface.

-- Gaby