github.com/andrewrynhard/terraform@v0.9.5-0.20170502003928-8d286b83eae4/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" {}
}