github.com/armen/terraform@v0.5.2-0.20150529052519-caa8117a08f1/config/test-fixtures/validate-prov-conn-splat-self/main.tf

resource "aws_instance" "bar" {
    connection {
        host = "${element(aws_instance.bar.*.private_ip, 0)}"
    }

    provisioner "local-exec" {}
}