2012-01-05  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/hashtable_policy.h (_Hashtable_base<>::_M_eq()):
	protected rather than private, use it...
	* include/bits/hashtable.h (_Hashtable<>::key_eq()): ... here.
	* testsuite/23_containers/unordered_set/observers.cc: New.
	* testsuite/23_containers/unordered_multiset/observers.cc: New.
	* testsuite/23_containers/unordered_map/observers.cc: New.
	* testsuite/23_containers/unordered_multimap/observers.cc: New.

From-SVN: r182928