coll/adapt and coll/han: fix trivial compiler warnings

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>

ompi/mca/coll/adapt/coll_adapt_ireduce.c

@@ -2,6 +2,7 @@
  * Copyright (c) 2014-2020 The University of Tennessee and The University
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
+ * Copyright (c) 2020      Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -524,7 +525,6 @@ int ompi_coll_adapt_ireduce_generic(const void *sbuf, void *rbuf, int count,
     char **accumbuf = NULL;
     opal_mutex_t *mutex_op_list;
     /* A list to store the segments need to be sent */
-    opal_list_t *recv_list;
     mca_pml_base_send_mode_t sendmode = (mca_coll_adapt_component.adapt_ireduce_synchronous_send)
                                         ? MCA_PML_BASE_SEND_SYNCHRONOUS : MCA_PML_BASE_SEND_STANDARD;
 
@@ -604,7 +604,7 @@ int ompi_coll_adapt_ireduce_generic(const void *sbuf, void *rbuf, int count,
     /* If the current process is not leaf */
     if (tree->tree_nextsize > 0) {
         size_t num_allocate_elems = mca_coll_adapt_component.adapt_inbuf_free_list_min;
-        if (tree->tree_nextsize * num_segs < num_allocate_elems) {
+        if (((size_t) tree->tree_nextsize * num_segs) < num_allocate_elems) {
             num_allocate_elems = tree->tree_nextsize * num_segs;
         }
         opal_free_list_init(&con->inbuf_list,

ompi/mca/coll/adapt/coll_adapt_topocache.h

@@ -2,6 +2,7 @@
  * Copyright (c) 2014-2020 The University of Tennessee and The University
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
+ * Copyright (c) 2020      Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -20,7 +21,7 @@ typedef struct adapt_topology_cache_item_t {
     opal_list_item_t super;
     ompi_coll_tree_t *tree;
     int root;
-    int algorithm;
+    ompi_coll_adapt_algorithm_t algorithm;
 } adapt_topology_cache_item_t;
 
 OBJ_CLASS_DECLARATION(adapt_topology_cache_item_t);

ompi/mca/coll/han/coll_han_allreduce.c

@@ -4,6 +4,7 @@
  *                         reserved.
  * Copyright (c) 2020      Bull S.A.S. All rights reserved.
  *
+ * Copyright (c) 2020      Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -410,8 +411,10 @@ mca_coll_han_allreduce_intra_simple(const void *sbuf,
     int root_low_rank = 0;
     int low_rank;
     int ret;
-    mca_coll_han_component_t *cs = &mca_coll_han_component;
     mca_coll_han_module_t *han_module = (mca_coll_han_module_t *)module;
+#if OPAL_ENABLE_DEBUG
+    mca_coll_han_component_t *cs = &mca_coll_han_component;
+#endif
 
     OPAL_OUTPUT_VERBOSE((10, cs->han_output,
                     "[OMPI][han] in mca_coll_han_reduce_intra_simple\n"));

ompi/mca/coll/han/coll_han_bcast.c

@@ -3,6 +3,7 @@
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
  * Copyright (c) 2020      Bull S.A.S. All rights reserved.
+ * Copyright (c) 2020      Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -221,7 +222,10 @@ mca_coll_han_bcast_intra_simple(void *buff,
     /* create the subcommunicators */
     mca_coll_han_module_t *han_module = (mca_coll_han_module_t *)module;
     ompi_communicator_t *low_comm, *up_comm;
-    int err, w_rank = ompi_comm_rank(comm);
+    int err;
+#if OPAL_ENABLE_DEBUG
+    int w_rank = ompi_comm_rank(comm);
+#endif
 
     /* Create the subcommunicators */
     err = mca_coll_han_comm_create_new(comm, han_module);

ompi/mca/coll/han/coll_han_gather.c

@@ -3,6 +3,7 @@
  *                         of Tennessee Research Foundation.  All rights
  *                         reserved.
  * Copyright (c) 2020      Bull S.A.S. All rights reserved.
+ * Copyright (c) 2020      Cisco Systems, Inc.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -490,7 +491,9 @@ ompi_coll_han_reorder_gather(const void *sbuf,
                              int * topo)
 {
     int i, topolevel = 2; // always 2 levels in topo
+#if OPAL_ENABLE_DEBUG
     int w_rank = ompi_comm_rank(comm);
+#endif
     int w_size = ompi_comm_size(comm);
     ptrdiff_t rextent;
     ompi_datatype_type_extent(dtype, &rextent);