2010-03-10  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/hashtable_policy.h (_Rehash_base<_Prime_rehash_policy,
	_Hashtable>::reserve): Add, per DR 1189.
	* include/bits/hashtable.h (_Hashtable<>::size_type,
	_Hashtable<>::difference_type): Do not typedef from _Allocator.
	* testsuite/23_containers/unordered_map/dr1189.cc: New.
	* testsuite/23_containers/unordered_set/dr1189.cc: Likewise.
	* testsuite/23_containers/unordered_multimap/dr1189.cc: Likewise.
	* testsuite/23_containers/unordered_multiset/dr1189.cc: Likewise.

From-SVN: r157373