2015-10-05 Ville Voutilainen <ville.voutilainen@gmail.com> PR 67844. * include/std/tuple (_TC::_NonNestedTuple): Eagerly reject conversions from tuple types same as the target tuple. * testsuite/20_util/tuple/67844.cc: New. * testsuite/20_util/tuple/cons/nested_tuple_construct.cc: Add a missing copyright header. From-SVN: r228468