communicator_a     24 examples/dtrace/mpicommleak.c static MPI_Comm communicator_a, communicator_b, communicator_c;
communicator_a     53 examples/dtrace/mpicommleak.c     MPI_Comm_dup(MPI_COMM_WORLD, &communicator_a);
communicator_a     59 examples/dtrace/mpicommleak.c     MPI_Comm_free(&communicator_a);