re PR libstdc++/7216 (basic_iostream::traits_type is ambiguous issue)

re PR libstdc++/7216 (basic_iostream::traits_type is ambiguous issue)

2002-07-25  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/7216
	* include/std/std_istream.h (basic_iostream): Add typedefs for
	char_type, int_type, pos_type, off_type, and traits_type.
	* testsuite/27_io/iostream.cc (test01): Add typedef tests.
	* testsuite/27_io/istream.cc: Same.
	* testsuite/27_io/ostream.cc: Same.
	* testsuite/27_io/filebuf.cc: Same.
	* testsuite/27_io/stringbuf.cc: Replace content, move to...
	* testsuite/27_io/stringbuf_members.cc: ...here.
	* testsuite/27_io/streambuf.cc: Replace content, move to...
	* testsuite/27_io/streambuf_members.cc: ...here.
	* testsuite/27_io/stringstream.cc: Replace content, move to...
	* testsuite/27_io/stringstream_members.cc: ...here.
	* testsuite/27_io/ios.cc: New file.
	* testsuite/27_io/fstream.cc: New file.
	* testsuite/27_io/ifstream.cc: New file.
	* testsuite/27_io/ofstream.cc: New file.
	* testsuite/27_io/istringstream.cc: New file.
	* testsuite/27_io/ostringstream.cc: New file.

From-SVN: r55767