* gcc-interface/gigi.h (aggregate_type_contains_array_p): Declare.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: For an
	extension, test Has_Record_Rep_Clause instead of Has_Specified_Layout.
	(adjust_packed): Return 0 if the type of the field is an aggregate
	type that contains (or is) a self-referential array.
	(type_has_variable_size): Delete.
	* gcc-interface/utils.c (inish_record_type): Constify a variable.
	(aggregate_type_contains_array_p): Add parameter SELF_REFERENTIAL.
	<RECORD_TYPE>: Pass it in the recursive call.
	<ARRAY_TYPE>: If it is true, return true only if the array type is
	self-referential.
	(create_field_decl): Streamline the setting of the alignment on the
	field.  Pass false to aggregate_type_contains_array_p.

From-SVN: r275196