Starting support for exceptions with record arguments.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/constructors_with_record3@14568 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Continue support for record argument on exceptions.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/constructors_with_record3@14569 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02