src/Pure/ML-Systems/compiler_polyml-5.2.ML

     val _ =
       (while not (List.null (! in_buffer)) do
         PolyML.compiler (get, parameters) ())
       handle exn =>
        (put ("Exception- " ^ General.exnMessage exn ^ " raised");
-        error (output ()); raise exn);
+        error (output ()); reraise exn);
   in if verbose then print (output ()) else () end;
 
 fun use_file context verbose name =
   let
     val instream = TextIO.openIn name;