[Bug fortran/121429] [caf_shmem] Test fails without explicit SYNC ALL

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121429

--- Comment #5 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Looking at gfc_trans_deallocate we already have code for special handling of
when a variaable has a corank or is a coarray. I believe we only need to build
a call to caf_sync_all in the right place.