github.com/tomaszheflik/terraform@v0.7.3-0.20160827060421-32f990b41594/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" {}
}