Better assert for boxes which can be truthy

Testing fr_type_is_leaf excludes FR_TYPE_NULL, which is a valid "false"
box.

diff --git a/src/lib/unlang/xlat_expr.c b/src/lib/unlang/xlat_expr.c
index d40d2b5b49e8f8c8477526b4bbe852c03040df20..2910adf4737384b3f31230a265a9dcbb33bded23 100644 (file)
--- a/src/lib/unlang/xlat_expr.c
+++ b/src/lib/unlang/xlat_expr.c
@@ -1081,7 +1081,7 @@ static bool xlat_logical_or(xlat_logical_rctx_t *rctx, fr_value_box_list_t const
         *      Loop over the input list.  We CANNOT do groups.
         */
        fr_value_box_list_foreach(in, box) {
-               fr_assert(fr_type_is_leaf(box->type));
+               fr_assert(fr_type_is_leaf(box->type) || fr_type_is_null(box->type));
 
                last = box;