&gt; the intent is perfectly obvious to any reader<p>So compilers need to judge what is &quot;perfectly obvious to any reader&quot;, now? And you&#x27;re willing to deal with the fallout of different compilers having different conceptions of &quot;perfectly obvious&quot;?<p>That&#x27;s... an ambitious project.<p>Maybe your time would be better spent convincing the C++ committee to <i>define</i> some more behavior instead of leaving it undefined.