Deadlock when using the shmem_collect32()/shmem_collect64() routines and any of the non-root PEs pass 0 as the number of elements.
Algorithm in _algorithm_central_collector() does use 0 as a special value, and thus does not break out of the loop.
fixed by IgorI, reviewed by MikeD
cmr=v1.8.2:reviewer=ompi-rm1.8
This commit was SVN r31814.
d531a2ccad