[Bug middle-end/71373] Handle more OMP_CLAUSE_* in nested function decomposition

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71373

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I think we have new clauses that need handling.  Perhaps we should drop the
default: case, so that we get warnings/errors.