Add control dependency after operations are created?
<p>Is it possible to create a control dependency between two ops after they've both been created? I realize that with <code>tf.control_dependencies</code> it's possible to make one op wait on another before executing, but the dependent op has to be created within the <code>tf.control_dependencies</code> context. I'd like to construct the two ops independently first and then add the dependency.</p>