<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/149966>149966</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [win-server 2022 arm64 MSVC] llvm 21.x function too large
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          valord577
      </td>
    </tr>
</table>

<pre>
    Full logs: https://github.com/valord577/nativepkgs/actions/runs/16415787749/job/46381302213

```txt
[2394/5262] Building CXX object tools\clang\lib\CodeGen\CMakeFiles\obj.clangCodeGen.dir\TargetBuiltins\RISCV.cpp.obj
FAILED: [code=1] tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/RISCV.cpp.obj 
ccache C:\PROGRA~1\MICROS~2\2022\ENTERP~1\VC\Tools\MSVC\1444~1.352\bin\Hostx64\arm64\cl.exe /nologo /TP -DCLANG_BUILD_STATIC -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_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 -ID:\a\nativepkgs\nativepkgs\tmp\llvm\win-msvc\arm64\tools\clang\lib\CodeGen -ID:\a\nativepkgs\nativepkgs\.deps\llvm\clang\lib\CodeGen -ID:\a\nativepkgs\nativepkgs\.deps\llvm\clang\include -ID:\a\nativepkgs\nativepkgs\tmp\llvm\win-msvc\arm64\tools\clang\include -ID:\a\nativepkgs\nativepkgs\tmp\llvm\win-msvc\arm64\include -ID:\a\nativepkgs\nativepkgs\.deps\llvm\llvm\include -ID:\a\nativepkgs\nativepkgs\.lib.win-msvc.arm64\zlib-ng\include /utf-8 /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 /DNDEBUG -std:c++17 -MT  /EHs-c- /GR- /showIncludes /Fotools\clang\lib\CodeGen\CMakeFiles\obj.clangCodeGen.dir\TargetBuiltins\RISCV.cpp.obj /Fdtools\clang\lib\CodeGen\CMakeFiles\obj.clangCodeGen.dir\ /FS -c D:\a\nativepkgs\nativepkgs\.deps\llvm\clang\lib\CodeGen\TargetBuiltins\RISCV.cpp
D:\a\nativepkgs\nativepkgs\.deps\llvm\clang\lib\CodeGen\TargetBuiltins\RISCV.cpp(138) : fatal error C1053: '?EmitRISCVBuiltinExpr@CodeGenFunction@CodeGen@clang@@QEAAPEAVValue@llvm@@IPEBVCallExpr@3@VReturnValueSlot@23@@Z': function too large
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJy8Vl1zo7gS_TXyiwqXaCEwD37AAjzUjbEvkI87LxQfikNGNi7ASe4-zG_fkiCJZzY7tVM1s1VOjtTdOqdbbXAXfd_sj0IsEVsh5s-K8_DQdsunQrZdzRxnVrb1_5fhWUos232PqIcfhuGkFghCBOG-GR7O5bxqDwjCt2MIwmMxNE_i9GXfIwiLamjao1p1Zw2mbZnMWTiO5SIIH9sSQWjZdGFSAmBSRDz1scn4GV4GtWUroK6FIGRgA2I-Xp0bWTfHPeZ3d7gtH0U14KFtZY8Yr2Rx3CPGZVMixnlbi7U4qtWm-CLCRgoV1JaPcx04-ed10yHGs6Lbi0GxD81RxSVRym_m1ek0b8tHRLzQi64CX90GYquqrQWivqkyGtUhHNUhVOoQvqpDeKEO4YfqEH6nDuE36hgRr6qK6kFgrrrA-C7ZrhPvq4kY30Q82aZfATEOBBQEcRYkO-284aq06Xo2qd6almV9NeeUqdiyURf0qe2HF9tCjBfdQWMl5-JFYNXUVrb7Vq2yHTZ8fuXF63x1HV35eZp5WcSx4Qd3uyCJNkGceVf5f4L_5VGcZsk1z6JtnGLDX2dBmuWfvDRPsixC1CfY8K_jiG_9ABt-zpMsj7dxmvk8j7e5H-ySgHvZR75bL4mjeJ2-utKAXyfBh6feXZeHVBbBHQ92OrkplzzlV39H9a3rkuqiglznx1WeXpzlG0815d0RbpON91fzVbSJ3q2RPza3QIxfPErfbYbDSX3F5dMBMf7cHI1D_1RddO6HD8M_FZnX4tS_y_wOruZYyXMtflfZv5j-J-m-q3mCnyWRTTl_zWX-mskfsimNb0pEEJ6He2OhFv5tFFPQq_w2iv3tbYqx2n6uEPWao2yO4m176sSpayvR9233Zszz6iTPvfpTtm2j_pfNXr-HIDyJ7tD0ffMkDLW9tbDxXFumZU5oawRrtIPtjOiOfspGtJg9oTPhYkJXIyNUow0jjwMw8hMyIoznmAlTPBvjTTLZR3QITPmwaT_q0je_OeGoRxfuxDPaFxMvkDEP5oy6ZKqHuTDxuROPRmZO5-iUP0x1g6PspkVsdU5YQHXX1s_6qnXftuXYvtgPVtdrbPRDjahXIVghWJkONjaZbmjwqTcq3YN1oqF_aJ-j8SuhOxe2v_93UevUv0JHM6XYqPAve0H9MHtEvH9JCBYmXSBwsZod7ouhkFh0XdthbhJG9UABDqJhcGgGfWpiCV5OHbLIpBGej3qgercgi4zZWARZ5L-B5-0C7-amkGeBLKLz1Z5oF6xueCHlREiRRW4SMZy7ow5OZTsgiwAdwz_rbDx8Pwmq-QZLVd7leDarl7R2qVvMxNJ0GDXthWOR2cOSLaAqnYISQim5r63KcWrGaFEvQACx7FmzBAKMOADEMV1C5jZziwWYNiPMhXoByCLiUDRyrkqYt91-1vT9WSxNy3VteyaLUsheD68AR_GMtRepycefdUt1yCjP-17dQdMP_TvN0AxST73qndqL7kl0WI1MWL9a8Tge-VjFYzDnLx9cwezcyeUPpmF96yMYp65V0ymCUGeoR-CxhKcl_BkAAP__KEh_pw">