update collectives teshsuite from mpich git (only minor changes)

[simgrid.git] / teshsuite / smpi / mpich3-test / coll / red3.c

diff --git a/teshsuite/smpi/mpich3-test/coll/red3.c b/teshsuite/smpi/mpich3-test/coll/red3.c
index a13561c..3d23759 100644 (file)
--- a/teshsuite/smpi/mpich3-test/coll/red3.c
+++ b/teshsuite/smpi/mpich3-test/coll/red3.c
@@ -188,6 +188,16 @@ int main( int argc, char *argv[] )
            if (rank == root) {
                errs += isShiftLeft( comm, bufout );
            }
+
+#if MTEST_HAVE_MIN_MPI_VERSION(2,2)
+            /* Try one more time without IN_PLACE to make sure we check
+             * aliasing correctly */
+            if (rank == root) {
+                MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
+                if (MPI_SUCCESS == MPI_Reduce( bufout, bufout, count, mattype, op, root, comm ))
+                    errs++;
+            }
+#endif
        }
 
        free( buf );