* decl2.c (arg_assoc_class): Bail if the class is a builtin type.

From-SVN: r28954

gcc/cp/ChangeLog

+1999-08-28  Richard Henderson  <rth@cygnus.com>
+
+	* decl2.c (arg_assoc_class): Bail if the class is a builtin type.
+
 1999-08-28  Mark Mitchell  <mark@codesourcery.com>
 
 	* cp-tree.def (LABEL_STMT): New tree node.

gcc/cp/decl2.c

@@ -4617,6 +4617,11 @@ arg_assoc_class (k, type)
   tree list, friends, context;
   int i;
   
+  /* Backend build structures, such as __builtin_va_list, aren't
+     affected by all this.  */
+  if (!CLASS_TYPE_P (type))
+    return 0;
+
   if (purpose_member (type, k->classes))
     return 0;
   k->classes = tree_cons (type, NULL_TREE, k->classes);