pt.c (tsubst): Make sure that BINFO_TYPE of new binfos is the canonical type.

	* pt.c (tsubst): Make sure that BINFO_TYPE of new binfos is the
	canonical type.

From-SVN: r19815

gcc/cp/ChangeLog

 Sun May 17 12:32:08 1998  Jason Merrill  <jason@yorick.cygnus.com>
 
+	* pt.c (tsubst): Make sure that BINFO_TYPE of new binfos is the
+	canonical type.
+
 	* call.c (build_over_call): Don't use IS_SIGNATURE on a namespace.
 
 Fri May 15 20:28:00 1998  Jason Merrill  <jason@yorick.cygnus.com>

gcc/cp/pt.c

@@ -4741,6 +4741,9 @@ tsubst (t, args, in_decl)
 
 	  t = copy_node (t);
 
+	  /* Make sure type isn't a typedef copy.  */
+	  type = BINFO_TYPE (TYPE_BINFO (type));
+
 	  if (type == TREE_TYPE (t))
 	    return t;