* gcc-interface/gigi.h (record_builtin_type): Adjust comment.
	(tree create_type_decl): Likewise.
	(create_var_decl_1): Add artificial_p and debug_info_p parameters.
	(create_var_decl): Likewise.
	(create_true_var_decl): Delete.
	(create_subprog_decl): Add debug_info_p parameter.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Add artificial_p local
	variable and use it throughout.  Remove DECL_ARTIFICIAL settings.
	<E_Variable>: Adjust calls to create_var_decl and create_var_decl_1.
	Remove DECL_IGNORED_P settings.
	<E_Enumeration_Type>: Likewise.
	<E_Record_Type>: Likewise.
	<E_Subprogram_Type>: Likewise.  Remove artificial_flag local variable.
	Adjust call to create_subprog_decl.
	(get_minimal_subprog_decl): Likewise.
	(elaborate_expression_1): Adjust call to create_var_decl.
	* gcc-interface/trans.c (gigi): Adjust calls to create_var_decl and
	create_subprog_decl.  Remove DECL_ARTIFICIAL & DECL_IGNORED_P settings.
	* gcc-interface/utils.c (maybe_pad_type): Likewise.
	(record_builtin_type): Adjust comment.
	(create_type_stub_decl): Remove obsolete comment.
	(create_var_decl_1): Add artificial_p and debug_info_p parameters.
	Set DECL_ARTIFICIAL and DECL_IGNORED_P accordingly.
	(create_subprog_decl): Add debug_info_p parameter.  Set DECL_IGNORED_P
	accordingly.

From-SVN: r224699