Merge pull request #12888 from hppritcha/beef_up_sessions_smoke_test

sessions: make sure to only finalize class

Author: hppritcha

examples/hello_sessions_c.c

@@ -11,14 +11,10 @@ int main(int argc, char** argv) {
   MPI_Info info;
   MPI_Session s1, s2;
 
-#if 0
-/* need PR https://github.com/open-mpi/ompi/pull/12868 to be merged in
- * before this can be uncommented.
- */
   MPI_Info_create(&info);
-#endif
   MPI_Session_init(MPI_INFO_NULL, MPI_ERRORS_RETURN, &s1);
   MPI_Session_finalize(&s1);
   MPI_Session_init(MPI_INFO_NULL, MPI_ERRORS_RETURN, &s2);
   MPI_Session_finalize(&s2);
+  MPI_Info_free(&info);
 }

ompi/instance/instance.c

@@ -954,13 +954,6 @@ static int ompi_mpi_instance_finalize_common (void)
 
     ompi_mpi_instance_release ();
 
-    if (0 == opal_initialized) {
-        /* if there is no MPI_T_init_thread that has been MPI_T_finalize'd,
-         * then be gentle to the app and release all the memory now (instead
-         * of the opal library destructor */
-        opal_class_finalize ();
-    }
-
     return OMPI_SUCCESS;
 }