<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/145703>145703</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Precommit CI failures
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            infrastructure
      </td>
    </tr>

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

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

<pre>
    ```
[6099/6110] Running clang_tools regression tests
llvm-lit.py: C:\_work\llvm-project\llvm-project\llvm\utils\lit\lit\llvm\config.py:57: note: using lit tools: C:\Program Files\Git\usr\bin
llvm-lit.py: C:\_work\llvm-project\llvm-project\llvm\utils\lit\lit\llvm\config.py:520: note: using clang: c:\_work\llvm-project\llvm-project\build\bin\clang.exe
llvm-lit.py: C:\_work\llvm-project\llvm-project\llvm\utils\lit\lit\llvm\config.py:312: fatal: Couldn't find the include dir for Clang ('c:\_work\llvm-project\llvm-project\build\bin\clang.exe')
c:\_work\llvm-project\llvm-project\build\bin\clang.exe
[6101/6110] Linking CXX executable bin\obj2yaml.exe
FAILED: tools/clang/tools/extra/CMakeFiles/check-clang-tools 
cmd.exe /C "cd /D C:\_work\llvm-project\llvm-project\build\tools\clang\tools\extra && C:\Python39\python.exe C:/_work/llvm-project/llvm-project/build/./bin/llvm-lit.py -v --xunit-xml-output C:/_work/llvm-project/llvm-project/build/test-results.xml --use-unique-output-file-name --timeout=1200 --time-tests C:/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/include-cleaner/test C:/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/clangd/test/../unittests C:/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/clangd/test C:/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/test"
[6103/6110] Linking CXX executable bin\clang.exe
```

It looks like we try to run the clang-tools-extra regression tests which seem to be looking for clang.exe which isn't yet built.

Some examples of this in the wild include:
https://github.com/llvm/llvm-project/actions/runs/15875229617/job/44761115591?pr=145679
https://github.com/llvm/llvm-project/actions/runs/15860875108/job/44717506023?pr=143424

</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJy8Vk1v4zYQ_TX0hZBBUqI-Djo4clUE2AKL9rK3BSWNbMYU6fIjsf99QclOnKZAN4tkgSDiiMN5bx5nRhbOyZ0GqBG_Q3y7EsHvja03whp9J5SahF51ZjjXKCeXP7JB_C4nVYVYm1NKEN_iP4PWUu9wr4TefffGKIct7Cw4J43GHpx3iGyUepwSJf36eEbpBjco3SDefH8y9oB4M-8erXmA3v-3iXgTvFQumtK__F-2eqNHuVti8yICaOMhPoOL5JT0eKZ2g_3Vmp0VE26lghj29zlgcBbxppP613Jm5C3pWdFo9u8B7oJUwyUF3swx1nCCX5pOSllEGIUXaoYyQQ0ascLjUeoB-z1gqXsVBsCDtHg0FjeRKUasRKz4kIRZgViFyOaD1IuVTwm9qfwvUh_iPTXfvmE4QR-86BTg5ajpHthZTOpyut3cf_ltG7VYypC1y-2y9mrDyVuBWNv8IQ6w1CRr-z30h2R2TZbWiglNQ4yKozNGjPVDXG7fd6HXRBf4S6o39kwHI5Yjlj93zNnvjU4rxJvjvJxpzJusXWBZ-wrnjbnAsnYd11JfHZaqxMkjTpJT0NInp0klJvhj8D8HEOdOYsEF5d36NCmcJMFBErT8O8AlcjJKBYkWE-Ak8XICEzxKt5QRcnmRzOPrJxn8z0VfGiDpFQgN9sL5c7Dm91dZovxR_6jzJ-b3CvNzIJZs2HN3pj_ana8a-_bzRjb3HitjDg4reQD8BNjbM_YG26DnuXXTjMnSJP_-2uGnvez32AFM8WAHc8DIJc65Z-iLm3TLYDyDxzFvv154_GUmwHAS01GBw2bEfi8dlguJJ6mG6wSNwpLN3vujWzRGrN1Jvw_dujfTRdy3GoveS6OjmjbMD8rLgjNW5bRArH0wHWJtlhU5pZTziqK0PdrYHRnPi-qjEHNSFpyS8haRFpzkhKUviGnGMkQ2q6FOhyqtxArq6FTyqqJ0ta9JlWcp7Ucmip5VXVaSEeg4pMNQFl2e05WsGWGc5IzTlJcpXY9lVWU9pJkoSxBliTICk5BqHTmvjd2tpHMBaprxgqQrJTpQbv6lxJjUoxXO29D7YCHWH9-ubD1n24WdQxlR0nn3EstLr6D-aqE30yQ9bu7xKKQKFtwqWFW_W8qZ3Czhwu-xZv8EAAD__xyeMbg">