re PR c++/12320 (ICE on use of undefined enum)

	PR c++/12320
	* call.c (type_passed_as): Check for incomplete type.
	(convert_for_arg_passing): Likewise.

From-SVN: r71546

gcc/cp/ChangeLog

+2003-09-18  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	PR c++/12320
+	* call.c (type_passed_as): Check for incomplete type.
+	(convert_for_arg_passing): Likewise.
+
 2003-09-18  Nathan Sidwell  <nathan@codesourcery.com>
 
 	PR c++/9848

gcc/cp/call.c

@@ -4342,6 +4342,7 @@ type_passed_as (tree type)
     type = build_reference_type (type);
   else if (PROMOTE_PROTOTYPES
 	   && INTEGRAL_TYPE_P (type)
+	   && COMPLETE_TYPE_P (type)
 	   && INT_CST_LT_UNSIGNED (TYPE_SIZE (type),
 				   TYPE_SIZE (integer_type_node)))
     type = integer_type_node;
@@ -4361,6 +4362,7 @@ convert_for_arg_passing (tree type, tree val)
     val = build1 (ADDR_EXPR, build_reference_type (type), val);
   else if (PROMOTE_PROTOTYPES
 	   && INTEGRAL_TYPE_P (type)
+	   && COMPLETE_TYPE_P (type)
 	   && INT_CST_LT_UNSIGNED (TYPE_SIZE (type),
 				   TYPE_SIZE (integer_type_node)))
     val = perform_integral_promotions (val);