<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/152972>152972</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Xtensa fails to build with `error: invalid conversion from 'bool (*)(`
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            build-problem,
            backend:Xtensa
      </td>
    </tr>

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

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

<pre>
    ```

FAILED: lib/Target/Xtensa/CMakeFiles/LLVMXtensaCodeGen.dir/XtensaISelLowering.cpp.o
/opt/sccache//sccache /usr/bin/g++ -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/build/source/build-llvm/lib/Target/Xtensa -I/build/source/llvm/lib/Target/Xtensa -I/build/source/build-llvm/include -I/build/source/llvm/include -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -Wno-unused-command-line-argument -Wdate-time -D_FORTIFY_SOURCE=3 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fdebug-prefix-map=/build/source/build-llvm=../ -fdebug-prefix-map=/build/source/= -no-canonical-prefixes -ffile-prefix-map=/build/source/build-llvm=../ -ffile-prefix-map=/build/source/= -no-canonical-prefixes -O3 -DNDEBUG -std=c++17 -fvisibility=hidden  -fno-exceptions -funwind-tables -MD -MT lib/Target/Xtensa/CMakeFiles/LLVMXtensaCodeGen.dir/XtensaISelLowering.cpp.o -MF lib/Target/Xtensa/CMakeFiles/LLVMXtensaCodeGen.dir/XtensaISelLowering.cpp.o.d -o lib/Target/Xtensa/CMakeFiles/LLVMXtensaCodeGen.dir/XtensaISelLowering.cpp.o -c /build/source/llvm/lib/Target/Xtensa/XtensaISelLowering.cpp
/build/source/llvm/lib/Target/Xtensa/XtensaISelLowering.cpp: In member function 'bool (* llvm::XtensaTargetLowering::CCAssignFnForCall(llvm::CallingConv::ID, bool) const)(unsigned int, llvm::MVT, llvm::MVT, llvm::CCValAssign::LocInfo, llvm::ISD::ArgFlagsTy, llvm::Type*, llvm::CCState&)':
/build/source/llvm/lib/Target/Xtensa/XtensaISelLowering.cpp:439:10: error: invalid conversion from 'bool (*)(unsigned int, llvm::MVT, llvm::MVT, llvm::CCValAssign::LocInfo, llvm::ISD::ArgFlagsTy, llvm::CCState&)' to 'bool (*)(unsigned int, llvm::MVT, llvm::MVT, llvm::CCValAssign::LocInfo, llvm::ISD::ArgFlagsTy, llvm::Type*, llvm::CCState&)' [-fpermissive]
  439 | return CC_Xtensa_Custom;
      |          ^~~~~~~~~~~~~~~~
      | |
      |          bool (*)(unsigned int, llvm::MVT, llvm::MVT, llvm::CCValAssign::LocInfo, llvm::ISD::ArgFlagsTy, llvm::CCState&)
At global scope:
```

very recent regression

</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzMV0tv2zgX_TX0hqAhU3ZsLbxQpKgwECcfYrf5ZmVQ5JXMKUVqSMqpu5jfPqDkxHWmrylaoEKQRIf3nnMffIk5J2sNsESzazTLR6zze2OX7qgO4LyFUWnEcYmuotNPlKIoLdLV7U2O4hQrWSJabJmtwSNa_N-DdgzRIluz91BIBQ7R4vb23XoYyYyAN6DHQtoX69UG1K15Ait1PeZtOzZBhBamDYyOc8b3gGhxfsGIFp0LDKXUiBY1oteIXmOS797cvd1t7t8-ZDfhbbfZ5tkuu7_bbNO77W6dZg_3m_NAcf-wTv8N367WqzO6CjKdVCLom85yeAaIUocG0eKzNfiC4w-4XGhJzVUn4OvsL0aVNsQ00pPKsgZIa6T2YDFpnnEFrHo9WDnP-HvSWuOBe2OJ89bo-mWAK-b2z8PSaEweK2Mb5jF5BGuNRXE-AMQB76z0R0wqXl26aEM63TkQhJumYVoQJTUQZuuuAR24BPNAvGwgdKa4f9iuij9OvUVxHmNS_W-VDTk6aJj2kpM-hdY4OahUB-lkKZX0RyJ1EHBkL4UA_Umsn-g8MqXCyAdv2UWMLQs16svz-GSlh1AUqWuHySNnzpO_OqYGj0Y6J3VNKglKEKmll0zJj2AdJi2IPs7BUhld978weZRNqyQPnWJK-b01Xb1_juDMIQZIG607ddIL7XCkgYZxDs4NoAXR6aBFGnOAAWvBOdnIjyG4M6oNfODQeuKPbYAEKPAQJMhBWt8xRYQ3IW_X1TU4T8wBrJXi5B-6N_RryF0BE0FBagHas1O3uWeCNOxYAum069rWWB-yqYRktTbOS-4INyoIVVWn-1kSpk_464Id8-ziHcquJq2FSn4gDWtRnH9j7cT5eIxo8f2-KM4xCRkybbTkTJ1cIOhXUsEPyn-f69fU72NM8rv85vrtG0ycFyjO-bAFTuYXkx7F-Wm6D-tkaPWphJ1-kloQz0oVSNc5Juvtr9nQMVkXv4Z5LDAxvypojv_rFv5FuuFI-0lccYpXGjfQlGDx82rBiM5LYxRGdIFoiodZl6I4HVgG9meeYSTL0v74L3RhbMaUQnRx9guA1HVm9GEAVjmiGQ4iiCaYG-08ogmii073lwiBpfbB5Myxfrf9BpBl75gawhiAW8NXujKXVqtNPvyT2rpQrHbb46XB9tgCoulr7o1nHhC96uOcB_TnNmIaJyhOJ1HoyelASbHUB6akCBU6gHWhOZU1zasO_Tale10l7M3vGup3dRmj2TWpWrD9UXwANMtRlGI8jROM5hm24DurcZbthrbuss5506D4ujcLTzB7edDs5u_L58IOzbPP-_2OBbysVZSmHtfKlExhx00LpwVyeds_gD1iCzwc8xZqG-4RRqMoHYllLJI4YSNYTuazaRJNkkky2i8TlvAqihfTeDJLFldzsaimk4rGTIjpnJXlSC5pRGfRYjKJFtPZJBnPoUyuyphOZlEZCaBoGkHDpBqH0MfG1iPpXAfLyYwmczpSrATl-m8WSodTtrWmVNAgShHNAsr4e9DiZf8LA7N8ZJeBkZRd7dA0UtJ5d9bw0itYnm7jFZPKhbXQ8-Mn6fcYXUU_tMrRVTTqrFruvW9dKHL_OVNLv-_KMTfNJztQiK615k_gYQfqsw6n1ynxw5L-EwAA__8LbHLj">