<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/62187>62187</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang hang after c
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          m-gupta
      </td>
    </tr>
</table>

<pre>
    [sha256.i.txt](https://github.com/llvm/llvm-project/files/11254951/sha256.i.txt)

The clang starts at 7fc0b3049df532f .
https://reviews.llvm.org/D142886

Repro command:
clang -c sha256.i -o sha.o -Wno-error -Os -march=skylake -ftrivial-auto-var-init=zero
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJyUkU-PnSAUxT8NbghGLv7BhYtpjNsmTZOur3pROigvgG86_fSNvkzbt5zNhXDhnsP5YYx22Yk6Vn1hVZ_hkVYfuk0sxy1hNvr5_WzFFaGqc5unX4lVPQO9pnSLTL0wGBgMi03rMeaT3xgMzt0_FnEL_idNicFgrKPIYJASqrKtJIPhaSq0rOhZ8fKo31fik8N94TFhSJFj4o2ZilEVZTubSoHh-ePqs5NAd0tvMT_Vcx8WBkMvS9C6_n_8N7oFzye_bbjP59vr9CEoJv5hjAt_7nPPxY_dCwrBBy6-Ri42DNPKVB9f3x2-EhcmBXu36AQeyYs7BmF3m5jqf1Pw2dypuVUtZtTJWsum0o1W2dq1YMZR4liBxqadJGlTkyYsQY51qyizHRSgilI2spWqUDkpqMyMoOdGlrMBVha0oXV_P5zZGA_qapC6yRyO5OIFF2CnN341GcDJOnQXovFYIisLZ2P6F1uWbHLUPRJZz4ImUeBTdgTXfRr-JXvSv2z9CQAA___z9cN5">