re PR libstdc++/85845 (Many libstdc++ test failures)

2018-05-21  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/85845
	* include/bits/stl_tree.h
	(_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
	qualification.

From-SVN: r260478

libstdc++-v3/ChangeLog

+2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
+
+	PR libstdc++/85845
+	* include/bits/stl_tree.h
+	(_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
+	qualification.
+
 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
 
 	* src/filesystem/std-ops.cc (absolute): Report an error for empty

libstdc++-v3/include/bits/stl_tree.h

@@ -980,7 +980,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     public:
       _Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a)
       noexcept( noexcept(
-	_Rb_tree(std::declval<_Rb_tree>(), std::declval<_Node_allocator>(),
+	_Rb_tree(std::declval<_Rb_tree&&>(), std::declval<_Node_allocator&&>(),
 		 std::declval<typename _Alloc_traits::is_always_equal>())) )
       : _Rb_tree(std::move(__x), std::move(__a),
 		 typename _Alloc_traits::is_always_equal{})