Fixing a random failure on MPI_Type_free for unit test test_rearr (ios.compproc is not initialized in test_define_iodesc_datatypes).
@@ -494,6 +494,7 @@ int test_define_iodesc_datatypes()
/* Set up test for IO task with BOX rearranger to create one type. */
ios.ioproc = 1; /* this is IO proc. */
+ ios.compproc = 1;
ios.num_iotasks = 4; /* The number of IO tasks. */
iodesc.rtype = NULL; /* Array of MPI types will be created here. */
iodesc.nrecvs = 1; /* Number of types created. */
