dbxout.c (dbxout_type): For a RECORD_TYPE...

�
	* dbxout.c (dbxout_type):  For a RECORD_TYPE, check that TYPE_BINFO
	is a TREE_VEC before trying to use it for baseclasses.
	(Chill uses the same field for a different purpose.)

From-SVN: r17534

gcc/dbxout.c

@@ -1270,7 +1270,9 @@ dbxout_type (type, full, show_arg_types)
       {
 	int i, n_baseclasses = 0;
 
-	if (TYPE_BINFO (type) != 0 && TYPE_BINFO_BASETYPES (type) != 0)
+	if (TYPE_BINFO (type) != 0
+	    && TREE_CODE (TYPE_BINFO (type)) == TREE_VEC
+	    && TYPE_BINFO_BASETYPES (type) != 0)
 	  n_baseclasses = TREE_VEC_LENGTH (TYPE_BINFO_BASETYPES (type));
 
 	/* Output a structure type.  We must use the same test here as we