title: Concise way to disable specific warning instances in Clang
body: <p>Suppose there is some warning in my code, e.g. that Clang has added padding to a struct. I am find with that particular instance and I want to mark it as "Noted; don't warn me about this instance again".</p>
  
  <p>Is there a way to do this that isn't insanely verbose (i.e. <code>#pragma clang diagnostic push</code> etc)? Ideally something like a comment on the same line as the warning, something like this:</p>
  
  <pre><code>// clang(-Wno-padded)
  </code></pre>
  
  <p>To be clear, I only want to suppress <em>one specific instance</em> of the warning (which normally requires <code>#pragma diagnostic push</code>/<code>pop</code>), not all warnings in the file.</p>