implementation was not thread safe). See lengthy comment in
ompi/mpi/cxx/intercepts.cc::ompi_mpi_cxx_op_intercept() for a full
explanation.
This commit was SVN r8606.
- Fix some typos from last commit
- Add collectives of intercommunicators
- Move the static current_op member from Intracomm to Comm
--> this is still a remaining problem: the global variable
current_op is not thread safe!
This commit was SVN r8520.