* include/std/functional (_Require): Move to ...
* include/std/type_traits (_Require): ... here.
* include/bits/shared_ptr_base.h (__shared_count::_S_create_from_up):
Handle unique_ptr for arrays or with custom pointer types.
(__shared_ptr::__shared_ptr(unique_ptr<_Tp1, _Del>&&): Likewise.
* include/bits/unique_ptr.h (unique_ptr<_Tp[], _Dp>): Use
_Dp::pointer if defined. Implement proposed resolution of LWG 2118.
* testsuite/20_util/shared_ptr/cons/unique_ptr_array.cc: New.
* testsuite/20_util/unique_ptr/assign/cv_qual.cc: New.
* testsuite/20_util/unique_ptr/cons/array_convertible_neg.cc: New.
* testsuite/20_util/unique_ptr/cons/convertible_neg.cc: New.
* testsuite/20_util/unique_ptr/cons/cv_qual.cc: New.
* testsuite/20_util/unique_ptr/modifiers/cv_qual.cc: New.
* testsuite/20_util/unique_ptr/requirements/pointer_type_array.cc: New.
* testsuite/20_util/shared_ptr/cons/unique_ptr.cc: Adjust comments.
* testsuite/20_util/unique_ptr/cons/pointer_array_convertible_neg.cc:
Likewise.
* testsuite/20_util/unique_ptr/requirements/pointer_type.cc: Likewise.
* testsuite/20_util/bind/ref_neg.cc: Adjust dg-error line number.
* testsuite/20_util/declval/requirements/1_neg.cc: Likewise.
* testsuite/20_util/default_delete/48631_neg.cc: Likewise.
* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Likewise.
* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Likewise.
* testsuite/20_util/unique_ptr/modifiers/reset_neg.cc: Adjust
dg-error text.
* testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Use
different instantiations so static_assert fails for each.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194651
138bc75d-0d04-0410-961f-
82ee72b054a4