<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/62810>62810</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang_rt.builtins-aarch64.lib is missing from Windows release version 16.0.0
        </td>
    </tr>

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

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

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

<pre>
    `clang_rt.builtins-aarch64.lib` used to be included in Windows on ARM64 binaries, but now it's not. I downloaded and extracted `LLVM-15.0.6-woa64.exe` and `LLVM-16.0.0-woa64.exe` from https://github.com/llvm/llvm-project/releases and noticed it was missing starting from 16.0.0.

```
F:\scratch>dir LLVM-15.0.6-woa64\lib\clang\15.0.6\lib\windows
 Volume in drive F is New Volume
 Volume Serial Number is 6AD8-542C

 Directory of F:\scratch\LLVM-15.0.6-woa64\lib\clang\15.0.6\lib\windows

05/19/2023 10:06 AM    <DIR>          .
05/19/2023  10:06 AM    <DIR> ..
12/06/2022  07:16 AM           497,718 clang_rt.builtins-aarch64.lib
12/06/2022  04:42 AM           372,608 clang_rt.profile-aarch64.lib
               2 File(s)        870,326 bytes
               2 Dir(s)  246,240,133,120 bytes free

F:\scratch>dir LLVM-16.0.0-woa64\lib\clang\16\lib\windows
 Volume in drive F is New Volume
 Volume Serial Number is 6AD8-542C

 Directory of F:\scratch\LLVM-16.0.0-woa64\lib\clang\16\lib\windows

05/19/2023 10:09 AM    <DIR>          .
05/19/2023  10:09 AM    <DIR> ..
03/21/2023  10:48 PM           247,380 clang_rt.builtins-aarch64.lib
               1 File(s)        247,380 bytes
               2 Dir(s)  246,239,948,800 bytes free
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzMVcGO2zYQ_ZrRZWCBHEq0dNDBlSMgQBIUKZAeC1KibRa0uCCpdfbvC8n2xs5uFk16KWHQEufN43D4NKNitPvRmAbK36DcZmpKBx-ah8nZwfch0354akCy3qlx_1dIuZ6sS3aMK6VCf5BF7qwGyXCKZsDkURu0Y--mwQxoR_zTjoM_RfQjbj5_lAVqO6pgTQRqUU8JR39Cm4DWEUefcnyPgz-NzquZQI0Dmq8pqD6ZAUGyDx--fFzxMme5XJ28kkVuvpp5-xn5bJc5y9m9fRf8EQ8pPUQQG6AOqNvbdJh03vsjUOfc4_Vv9RD836ZPQF0wzqho4kI_-mT7-VQJTyri0cZoxz3GpEKaH5YtznvnwLbANpdZsstvee3mAMo29kGl_gDi3WADvjgXlO2c2LJdEg9lezY-L5_OeT1T4hfvpuOceByCfTTYoY34yZwuhnvUHyZY5fDTdNQmzEC52VarsqD2Nmrc2mD65MMT-h1-F3TZ_reAzzMrgTpeA3XESCBnIDZM4uYjIiKIdvv-M4h3-DzyV91-6Jdf8JyAOibPeEJkaxAbfsVfRlGvgdo1r_Btpb_OWIDYFHTPKNYE1Ep2w_gQ_M4685IQ7wdhZ50BqiJQfV2s1gyoFSRRPyUTf-C4teHZjwoJ1FIx-3Eh5pnY2Rt3wZjbu3hDlTdf08tL_r8p8leCfUON9S-q8aXfVY1MzFB-jy8q_P1WO1TMahQV-zdq_E4D_DXxfCP8SfGIGqitiwqordgr4rnWtmxoxFCLWmWm4bIqSi6LQmaHRtWK7UjyoVK97k0v1kbLyjDGea-Z1Jlt5kSwktd8zQsmc10OekdlPexMr7mQUDBzVNblc3HOfdhnNsbJNJIqzjKntHFxaV9EoznhYgSiuZuFZinoetpHKJizMcVvLMkmZ5o3Ezxr8Vrnl_J-bWeXxoCPJkTrx0vZz6bgmp9uMkvAEahbDvRPAAAA__-H0B6r">