2010-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/tr1_impl/hashtable (_Hashtable<>): Remove insert_return_type
	typedef.
	* include/profile/unordered_map (unordered_map<>::insert(const
	value_type&), unordered_multimap<>::insert(const value_type&)): Adjust.
	* include/profile/unordered_set (unordered_set<>::insert(const
	value_type&), unordered_multimap<>::insert(const value_type&)):
	Likewise.

2010-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_pair.h (pair<>::pair(_U1&&, const _T2&),
	pair<>::pair(const _T1&, _U2&&), pair<>::pair(_U1&&, _U2&&)):
	Use std::is_constructible instead of std::is_convertible.

2010-01-01  Paolo Carlini  <paolo.carlini@oracle.com>

	Revert last change, reinstantiate basic_string and vstring tests.

2010-01-01  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/21_strings/basic_string/requirements/exception/
	propagation_consistent.cc: Remove, cannot instantiate basic_string
	for non-PODs (21/1).
	* testsuite/21_strings/basic_string/requirements/exception/
	basic.cc: Likewise.
	* testsuite/21_strings/basic_string/requirements/exception/
	generation_prohibited.cc: Likewise.
	* testsuite/ext/vstring/requirements/exception/
	propagation_consistent.cc: Likewise.
	* testsuite/ext/vstring/requirements/exception/basic.cc:
	Likewise.
	* testsuite/ext/vstring/requirements/exception/
	generation_prohibited.cc: Likewise.