Description:
Program would crash, complaining MPI calls were invoked after
MPI_Finalize() has occurred. Previously, H5close() before
MPI_Finalize() would remove the crash.
Solution:
It turned out that two H5 property objects (mpio_pl and acc_tpl)
were not closed before MPI_Finalize(). In the at_exit code,
HDF5 library attempted to close them by releasing the MPI Communicators
in them too. That was the error. Adding code to close them properly
before MPI_Finalize() took care things.
Tested:
Only in kagiso parallel. Did not run h5committest since
kagiso would have been the one running parallel test. This
part of code would not be compiled at all in non-phdf5 mode.
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