re PR libstdc++/22515 (operator>>(istream, string/CharT*) can be faster)

re PR libstdc++/22515 (operator>>(istream, string/CharT*) can be faster)

2005-07-24  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/22515
	* include/bits/basic_string.h: Declare the specialization
	operator>>(basic_istream<char>&, basic_string<char>&).
	* include/std/std_istream.h: Declate the specialization
	operator>>(basic_istream<char>&, char*).
	* include/std/std_streambuf.h (basic_streambuf): Add friend
	declarations for the above.
	* src/istream.cc: Define the above.
	* testsuite/27_io/basic_istream/extractors_character/char/4.cc: New.
	* testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
	Likewise.
	* testsuite/performance/27_io/ifstream_extract_chars.cc: Likewise.

From-SVN: r102353