Node *while_oc_node = node_name_index["oc_while_while"];
    EXPECT_NE(while_oc_node, nullptr);

    // Check that cond outside compilation has node "identity_cond_fn".
    const FunctionDef *cond_def = fld.Find("oc_cond_host_while_cond_fn");
    EXPECT_NE(cond_def, nullptr);
    bool has_identity_cond_fn_node = false;
    for (const auto &node_def : cond_def->node_def()) {
      if (node_def.name() == "identity_cond_fn") {