char_traits.h: Use noexcept throughout.

char_traits.h: Use noexcept throughout.

2011-05-20  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/char_traits.h: Use noexcept throughout.
	* include/std/typeindex: Likewise.

	* include/std/tuple (_Tuple_impl<>_Tuple_impl(_Tuple_impl&&)): Use
	noexcept; adjust callers.
	* include/bits/stl_pair.h (pair<>::pair(pair<>&&)): Use noexcept.
	* testsuite/20_util/tuple/cons/noexcept_move_construct.cc: New.
	* testsuite/20_util/pair/cons/noexcept_move_construct.cc: Likewise.
	* testsuite/20_util/pair/noexcept_swap.cc: Likewise.
	* testsuite/20_util/pair/noexcept_move_assign.cc: Likewise.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust dg-warning
	line numbers.

From-SVN: r173986