github.com/erriapo/terraform@v0.6.12-0.20160203182612-0340ea72354f/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" {}
}