<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/54595>54595</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Bogus warning -Wunused-but-set-variable
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          JohelEGP
      </td>
    </tr>
</table>

<pre>
    See https://godbolt.org/z/P5Kq4osnd.
```C++
#include <limits>
#include <type_traits>
template<auto F> concept constant_invocable = requires { typename std::integral_constant<int, (F(), 0)>; };
constexpr std::numeric_limits<int> int_limits;
static_assert(!constant_invocable<[] { [i = int_limits.min()]() mutable { (void)--i; }(); }>);
```
```
<source>:5:41: warning: variable 'i' set but not used [-Wunused-but-set-variable]
static_assert(!constant_invocable<[] { [i = int_limits.min()]() mutable { (void)--i; }(); }>);
                                        ^
1 warning generated.
```
</pre>
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