fix PR#6690

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15638 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
revert wrongly commited files

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15639 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Fix PR#6680

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15641 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02