<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/60986>60986</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc++][ranges] Feature test macro for `views::as_rvalue` is missing
        </td>
    </tr>

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

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

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

<pre>
    Example:

```c++
#include <ranges>

auto v = std::views::as_rvalue; // works

#ifndef __cpp_lib_ranges_as_rvalue
#error :( // does not work
#endif
```

Compiler explorer: https://godbolt.org/z/vGnx174Pe
Paper: [P2446R2](https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p2446r2.html#feature-test-macro)
</pre>
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