<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/54458>54458</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Assertion failed: lvaluePath->getType() == elemTy && "Unexpected type reference!"
        </td>
    </tr>

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

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

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

<pre>
    With Clang 14 and Visual Studio 2022:

`stdafx.h`:
```
#include <comdef.h>
```

`bug.cpp`:
```
#include "stdafx.h"
#include <atlbase.h>

namespace bug {
    typedef CComPtr<IUnknown> IUnknownPtr;
}
```

```
REM Build C++20 PCH: OK
clang-cl /Yustdafx.h -std:c++20  /Ycstdafx.h -c -- stdafx.cpp

REM ICE
clang-cl /Yustdafx.h -std:c++20 -c -- bug.cpp

REM No PCH: OK
clang-cl /MDd -std:c++20 -c -- bug.cpp

REM No C++20: OK
clang-cl /Yustdafx.h /Ycstdafx.h -c -- stdafx.cpp
clang-cl /Yustdafx.h -c -- bug.cpp
```

[bug.zip](https://github.com/llvm/llvm-project/files/8309594/bug.zip)
</pre>
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