re PR c++/16205 (ICE with -Wall on no-throw specifier)

2004-06-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/16205
        * c-common.c (warn_for_collisions_1): Warn for only decls which
        have a name.

From-SVN: r83759

gcc/ChangeLog

 2004-06-27  Andrew Pinski  <pinskia@physics.uc.edu>
 
+	PR c++/16205
+	* c-common.c (warn_for_collisions_1): Warn for only decls which
+	have a name.
+
 	PR c++/15145
 	* c.opt (Wsequence-point): Enable for C++ and ObjC++.
 

gcc/c-common.c

@@ -1122,7 +1122,8 @@ warn_for_collisions_1 (tree written, tree writer, struct tlist *list,
     {
       if (list->expr == written
 	  && list->writer != writer
-	  && (! only_writes || list->writer))
+	  && (! only_writes || list->writer)
+	  && DECL_NAME (list->expr))
 	{
 	  warned_ids = new_tlist (warned_ids, written, NULL_TREE);
 	  warning ("operation on `%s' may be undefined",