<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/133644>133644</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Cast from null pointer constant to nullptr is failing.
        </td>
    </tr>

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

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

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

<pre>
    ```c
int main(void)
{
  typeof(nullptr) a;
 a = (typeof(nullptr)) 0;  
}
```
Standard:
"If the target type is nullptr_t, the cast expression shall be a null pointer constant or have type nullptr_t."


</pre>
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