* tree.h (contains_placeholder_p): Fix comment.
	(type_contains_placeholder_p): Adjust comment.
	* tree.c (contains_placeholder_p): Fix comment.
	(type_contains_placeholder_1): Do not recurse on pointed-to types and
	adjust comment.
	(type_contains_placeholder_p): Add comment.
ada/
	* gcc-interface/decl.c (finish_fat_pointer_type): New function.
	(gnat_to_gnu_entity) <E_Array_Type>: Use it to build the fat pointer
	type.
	<E_Access_Type>: Likewise.

From-SVN: r166484