<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/148984>148984</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Build and Test Windows has a flaky infra failure
        </td>
    </tr>

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

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

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

<pre>
    The following sccache call fails:

`2025-07-15T22:02:28.2308385Z FAILED: [code=2] tools/mlir/lib/Dialect/OpenMP/CMakeFiles/obj.MLIROpenMPDialect.dir/IR/OpenMPDialect.cpp.obj 
2025-07-15T22:02:28.2316215Z sccache C:\BuildTools\VC\Tools\MSVC\14.29.30133\bin\Hostx64\x64\cl.exe /nologo /TP -DEXPERIMENTAL_KEY_INSTRUCTIONS -DGTEST_HAS_RTTI=0 -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\mlir\lib\Dialect\OpenMP -IC:\_work\llvm-project\llvm-project\mlir\lib\Dialect\OpenMP -Itools\mlir\include -IC:\_work\llvm-project\llvm-project\mlir\include -Iinclude -IC:\_work\llvm-project\llvm-project\llvm\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:preprocessor /Zc:__cplusplus /Oi /bigobj /permissive- /W4 -wd4141 -wd4146 -wd4244 -wd4267 -wd4291 -wd4351 -wd4456 -wd4457 -wd4458 -wd4459 -wd4503 -wd4624 -wd4722 -wd4100 -wd4127 -wd4512 -wd4505 -wd4610 -wd4510 -wd4702 -wd4245 -wd4706 -wd4310 -wd4701 -wd4703 -wd4389 -wd4611 -wd4805 -wd4204 -wd4577 -wd4091 -wd4592 -wd4319 -wd4709 -wd5105 -wd4324 -wd4251 -wd4275 -w14062 -we4238 /Gw /O2 /Ob2  -MD  /EHs-c- /GR- -UNDEBUG -std:c++17 /showIncludes /Fotools\mlir\lib\Dialect\OpenMP\CMakeFiles\obj.MLIROpenMPDialect.dir\IR\OpenMPDialect.cpp.obj /Fdtools\mlir\lib\Dialect\OpenMP\CMakeFiles\obj.MLIROpenMPDialect.dir\ /FS -c C:\_work\llvm-project\llvm-project\mlir\lib\Dialect\OpenMP\IR\OpenMPDialect.cpp
2025-07-15T22:02:28.2324525Z C:\_work\llvm-project\llvm-project\mlir\lib\Dialect\OpenMP\IR\OpenMPDialect.cpp(3870): error C2065: 'u_int64_t': undeclared identifier
2025-07-15T22:02:28.2326366Z C:\_work\llvm-project\llvm-project\mlir\lib\Dialect\OpenMP\IR\OpenMPDialect.cpp(3870): error C2923: 'std::optional': 'u_int64_t' is not a valid template type argument for parameter '_Ty'
`
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzEVltv2zoS_jX0CyGDGoqS9eAHRZdU2NgObGWTzYtAS4zNhhYNXZLm3y9IKZdtm-5BUZwDJPo8M5xvZngd3nXy0AixROwCsWTGh_6o2yV_7I78pa2Fro-8ne11_bIsjgI_aKX0s2wOuKsqXh0FrrhS-IFL1SEaIWL_fAIEmEMCx2UFAKIRMR9YzIGSBV2we5xF-VWaIBphxC4qXQtEE0Aswb3WqkOQnZRsEWRK7hFkieRKVD2CbHMWzeoaQRav-KPIpBJmsN5_na-u8u1onUbPa8uQb9_cXg3V-TzX-68YkejzRF0fXHb_VmdsymPxxSBVXdgcWfzvGLH4VVjtrOh6cwjnlLiUIhbvZYNY_EV3_TffQywev5Wai28CI8garfRBm1_FNXaS9O463eardF1EV-W_0v-U-XpXbG_iIt-sd9hJLot0V5Rfol25LYoc0YRgJ7lZ5_EmSbGTlPG2KNeb9a5I4nK9KZP0epvGUfEz2220Xefry92raZfGN9v0p17vpo9Ol1f5RXx3V0a7Xbp9TdDmlt7F6bXVTBmWu_jqswD_a_oY4ENdpc06NtlH66JcRfF2s3s3ZJvtKvpRfZWv8ndt3k8LZXcWi83OYvHrzmLxuEWwk08rXT7r9tGMU08n59zqr-Ow78T_R_ZdUNlUaqjFb0Z59_5NHiN-4DEn6zZfU7C_ytt8nWxudxgb8b5CNJKNko14E8-tOLe6El2n2zdlWVZnNXTm3-g20nz38mAPGGRn0Z5k18kn4Rjx1sPOc-25njuhbxG8UQ9-MGI42ikb0WP-hMGEiwlDi4xQiz6MPAHAyE_IiDD6MRem8Wwc75JJP2JAYMqHTfIYl77Z3QnHeHQRTjyjfjHxAhnzYMEYl0z1sBAmvnDiscjcyY9O-cNUNwRG73rEN37CA7ows3j5bKfarttmDxg7q8SuWvqlcyo70ZdbBzs36yS9uLnETtfXiEYVggsEF25gBnRH_ZyPG8EuXKb_0gFBLP5w9bL486uXxfn2ze2HqxeyrP7jAS3tDjsV_nOH-NM6fvl6gMeA3f8tacCCLgKCIDSvqWhb3eIYiM_s4wrBUMqm972yRxAY1dDUolK8FTWWtWh6-SBF--tafOr7_2AtIdCplnEbIxrpcy91w9VU03dlYtnhRveY4yeuZI17cTor3gvcv5wF5u1hOImmxw-6xWfe8pPohbnPgrJ4MYS2g5nVS1qHNOQzsXQDBj4Q8IPZcSlEFQru8UAsCCEsoF5Yu8GiDimvfaBsJpdmKkngMgAWeMHcrx94uIc9D4EQb79AHhEnLtXczNlct4eZ7LpBLF1vES68meJ7oTrbkAHI5qHlXd8OVT-0AoHpkWbt0s72fjh0yCNKdn33ztXLXoml7VMwb2pciK7Ht7Kp9XOHj7zDHD8o_viCLbVt3YZWzIZWLY99f7ZtHGQIsoPsj8N-XumT6cPMyzHC2ypDZvM2DdiU-tMS_hsAAP__vXoZqg">