2005-12-10 Paolo Carlini <pcarlini@suse.de>

	* include/ext/sso_string_base.h (__sso_string_base<>::_M_compare):
	Add, specialized for char and wchar_t to immediately return true
	when a string is compared to itself.
	* include/ext/rc_string_base.h (__rc_string_base<>::_M_compare):
	Likewise, for the same _Rep.
	* include/ext/vstring.h (compare(const string&)): Use it.

	* include/ext/sso_string_base.h (__sso_string_base<>::_M_destroy):
	Deallocate passed size + 1.
	(_M_dispose, _M_reserve): Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108372 138bc75d-0d04-0410-961f-82ee72b054a4