libstdc++/10096: Input impossible with basic_filebuf with custom traits type.

[paolo@gcc.gnu.org]

Synopsis: Input impossible with basic_filebuf with custom traits type.

State-Changed-From-To: open->analyzed
State-Changed-By: paolo
State-Changed-When: Sat Mar 15 14:06:49 2003
State-Changed-Why:
    Confirmed but well known problem: a generic underflow() is
    missing (see std_fstream.h around line 476).

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=10096