e243805ed8
Patch from Gilles Gouaillardet on #4517 to fix handling 0-sized messages in coll tuned with MPI_ALLTOALLV and MPI_IN_PLACE. Reviewed by Jeff Squyres. Fixes trac:4517 cmr=v1.8.2:reviewer=ompi-rm1.8 This commit was SVN r31521. The following Trac tickets were found above: Ticket 4517 --> https://svn.open-mpi.org/trac/ompi/ticket/4517