<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/61688>61688</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Backport [sanitizer][win] Change cmdline check to allow double backslashs 
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            compiler-rt:asan,
            release:backport,
            platform:windows
      </td>
    </tr>

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

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

<pre>
    This fixes a minor annoyance using ASan on Windows.

/cherry-pick b1871ceb1cf6c6954380867d41db3812e9e0dbfc
</pre>
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