{
int nonconst_cnt = 0; /* Number of nonconstant children. */
int sysmis_cnt = 0; /* Number of system-missing children. */
- struct operation *op;
+ const struct operation *op;
struct composite_node *c;
int i;
static void
flatten_composite (union any_node *n, struct expression *e)
{
- struct operation *op = &operations[n->type];
+ const struct operation *op = &operations[n->type];
size_t i;
for (i = 0; i < n->composite.arg_cnt; i++)