class.c (type_has_user_declared_move_constructor, [...]): Combine into ...

class.c (type_has_user_declared_move_constructor, [...]): Combine into ...

	* class.c (type_has_user_declared_move_constructor,
	type_has_user_declared_move_assign): Combine into ...
	(classtype_has_user_move_assign_or_move_ctor_p): ... this new function.
	* cp-tree.h (type_has_user_declared_move_constructor,
	type_has_user_declared_move_assign): Combine into ...
	(classtype_has_user_move_assign_or_move_ctor_p): ... this. Declare.
	* method.c (maybe_explain_implicit_delete): Use it.
	(lazily_declare_fn): Use it.
	* tree.c (type_has_nontrivial_copy_init): Use it.

From-SVN: r250280