github.com/rstandt/terraform@v0.12.32-0.20230710220336-b1063613405c/config/testdata/validate-prov-conn-splat-self/main.tf

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

    provisioner "local-exec" {}
}