re PR c++/20463 (ICE on using undefined type)

2005-03-18  Paolo Carlini  <pcarlini@suse.de>

	PR c++/20463
	* parser.c (cp_parser_diagnose_invalid_type_name):
	Check TYPE_BINFO (current_class_type) before attempting
	to emit inform messages.

From-SVN: r96689

gcc/cp/ChangeLog

+2005-03-18  Paolo Carlini  <pcarlini@suse.de>
+
+	PR c++/20463
+	* parser.c (cp_parser_diagnose_invalid_type_name):
+	Check TYPE_BINFO (current_class_type) before attempting
+	to emit inform messages.
+
 2005-03-17  Paolo Carlini  <pcarlini@suse.de>
 
 	PR c++/19966

gcc/cp/parser.c

@@ -1995,7 +1995,8 @@ cp_parser_diagnose_invalid_type_name (cp_parser *parser, tree scope, tree id)
 	   template <typename T> struct B : public A<T> { X x; };
 
 	 The user should have said "typename A<T>::X".  */
-      if (processing_template_decl && current_class_type)
+      if (processing_template_decl && current_class_type
+	  && TYPE_BINFO (current_class_type))
 	{
 	  tree b;