<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/148254>148254</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
LWG2770: `tuple_size<const T>` specialization is not SFINAE compatible and breaks decomposition declarations
</td>
</tr>
<tr>
<th>Labels</th>
<td>
libc++,
c++17,
lwg-issue
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
ldionne
</td>
</tr>
</table>
<pre>
**Link:** https://wg21.link/LWG2770
</pre>
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