c++/8448: Regression from gcc 2.96 concerning nested namespaces

[bangerth@dealii.org]

Synopsis: Regression from gcc 2.96 concerning nested namespaces

State-Changed-From-To: feedback->closed
State-Changed-By: bangerth
State-Changed-When: Mon Nov  4 08:01:33 2002
State-Changed-Why:
    Paolo is right. Your op<< is in another namespace, and the
    using directive only makes it visible in the global namespace,
    but not where it is needed: in std::copy or std::ostream_iterator.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8448