+static void
+insert_variable_into_map (struct hmapx *var_map, const struct variable *var)
+{
+ size_t hash = hash_pointer (var, 0);
+ struct hmapx_node *node;
+ const struct variable *v = NULL;
+
+ HMAPX_FOR_EACH_WITH_HASH (v, node, hash, var_map)
+ {
+ if ( v == var)
+ return ;
+ }
+
+ hmapx_insert (var_map, CONST_CAST (struct variable *, var), hash);
+}
+
+/* Insert the variables for TEST into VAR_MAP */