<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/65290>65290</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            <format>: Is `std::format(L"{}", "test")` well-formed?
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

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

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

<pre>
    Stumbled upon the following code only accepted by libc++:

```cpp
#include <format>

int main() {
  auto s = std::format(L"{}", "test");
}
```
https://godbolt.org/z/aeWfjWxrn

Not sure if this involves LWG or is just a bug. I'm not a format guy so feel free to correct me.
</pre>
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