else
{
/* This rule has an empty RHS. */
- assert (item_number_as_rule_number (rules_ruleno->rhs[0])
- == ruleno);
+ aver (item_number_as_rule_number (rules_ruleno->rhs[0])
+ == ruleno);
if (rules_ruleno->useful
&& ! nullable[rules_ruleno->lhs->number - ntokens])
{