<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/85898>85898</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Llvm crashed while formatting a piece of simple code
        </td>
    </tr>

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

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

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

<pre>
    ### Llvm crashed while formatting a piece of simple code

Visual Studio 2022 Version 17.9.3

the simple piece of code:

~~~ C++
bool B::A::operator=(
~~~

create an empty CPP file and open it with VS, copy and parse,  the VS try to format this piece of code, and Llvm would crashed.

~~~
0.      Program arguments: "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\VC\\Tools\\Llvm\\bin\\clang-format.exe" -output-replacements-xml -style=file -fallback-style=Google -assume-filename=a.cpp -offset=0 -length=21 -cursor=21
Exception Code: 0xC0000005
0x0065B0C2, C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\Llvm\bin\clang-format.exe(0x00000000005A0000) + 0xBB0C2 byte(s)
0x0164C618 <unknown module>
0x0164E5FC <unknown module>
~~~


</pre>
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