<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/119405>119405</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            `memcpy()` should be `[[clang::unsafe_buffer_usage]]`
        </td>
    </tr>

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

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

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

<pre>
    When `-Wunsafe-buffer-usage` is on, `memcpy()`  should trigger a warning (unless locally `pragma`d away), since it effectively does pointer math under the hood (takes a ptr and size).

Similar comments would apply to e.g. `memset()`, `memmove()`, etc.
</pre>
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