<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/130741>130741</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Add flag "/utf-8" for MSVC compiler in the build script
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          ChihHao-Su
      </td>
    </tr>
</table>

<pre>
    This will solve https://github.com/llvm/llvm-project/issues/60549.

> You need to add `-DCMAKE_CXX_CLAGS="/utf-8" to command line argument.
> 
> I got similar result with LLVM 18.1.8 and Visual Studio 19 in Japanese environment(CP932).
> 
> 
> 
> MSVC opens source file with system code page by default. 
> 
> 
> 
>  
</pre>
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