parse.y:5467
static NODE*
new_fcall(m,a)
    ID m;
    NODE *a;
{
    if (a && nd_type(a) == NODE_BLOCK_PASS) {
	a->nd_iter = NEW_FCALL(m,a->nd_head);
	return a;
    }
    return NEW_FCALL(m,a);
}
