Fix dependencies.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14092 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Experimenting with exception registration, to avoid explicit pattern matching on many exception constructors in 'driver' code.

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@14093 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02