libstdc++/9580: basic_filebuf<> with custom traits_type fails to link

[Paolo Carlini]

 > I'm tempted to see this as a bug in our library...
 > Can someone recall me briefly why we can't make this work?

Probably we can! The bug was still in the open state, nobody had really
looked at it and if there are no infrastructural serious impediments
(can you confirm that?) probably someone (you? Benjamin? me?) will
fix it soon!

Paolo.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9580