<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/62733>62733</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            fails to build with `clangd/index/remote/Client.cpp: expected unqualified-id` 
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clangd,
            build-problem
      </td>
    </tr>

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

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

<pre>
    On linux, with main:
```

/build/source/build-llvm/./bin/clang++ -DCLANG_REPOSITORY_STRING="\"++20230516071722+4054c68644df-1~exp1~20230516071738.666\"" -DGOOGLE_PROTOBUF_NO_RTTI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools/clang/tools/extra/clangd/index/remote -I/build/source/clang-tools-extra/clangd/index/remote -I/build/source/clang-tools-extra/clangd/../include-cleaner/include -Itools/clang/tools/extra/clangd/../clang-tidy -I/build/source/clang/include -Itools/clang/include -Iinclude -I/build/source/llvm/include -I/build/source/clang-tools-extra/clangd -Itools/clang/tools/extra/clangd -fstack-protector-strong -Wformat -Werror=format-security -Wno-unused-command-line-argument -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -ffile-prefix-map=/build/source/build-llvm/tools/clang/stage2-bins=build-llvm/tools/clang/stage2-bins -ffile-prefix-map=/build/source/= -no-canonical-prefixes -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O2 -DNDEBUG -g1  -fno-exceptions -funwind-tables -std=c++17 -MD -MT tools/clang/tools/extra/clangd/index/remote/CMakeFiles/obj.clangdRemoteIndex.dir/Client.cpp.o -MF tools/clang/tools/extra/clangd/index/remote/CMakeFiles/obj.clangdRemoteIndex.dir/Client.cpp.o.d -o tools/clang/tools/extra/clangd/index/remote/CMakeFiles/obj.clangdRemoteIndex.dir/Client.cpp.o -c /build/source/clang-tools-extra/clangd/index/remote/Client.cpp
/build/source/clang-tools-extra/clangd/index/remote/Client.cpp:71:48: error: expected unqualified-id
    trace::Span Tracer(RequestT::descriptor()->name());
 ^
/build/source/clang-tools-extra/clangd/index/remote/Client.cpp:71:17: error: no matching constructor for initialization of 'trace::Span'
 trace::Span Tracer(RequestT::descriptor()->name());
 ^
/build/source/clang-tools-extra/clangd/index/remote/Client.cpp:133:5: note: in instantiation of function template specialization 'clang::clangd::remote::(anonymous namespace)::IndexClient::streamRPC<clang::clangd::remote::LookupRequest, clang::clangd::remote::LookupReply, clang::clangd::LookupRequest, llvm::function_ref<void (const clang::clangd::Symbol &)>>' requested here
 streamRPC(Request, &remote::v1::SymbolIndex::Stub::Lookup, Callback);
 ^
```
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzUV0GP4rgS_jXmYhkFJwT6wIEmTQtpuhkBI7Qn5NiV4B3HztoO3bzD_vYnJ6Fhdqfn9e7TjrRSlMTlqq_8lctlmzknSw0wQ-N7NM4GrPFHY2furE7gvIVBbsR5ttZYSd28IrrAL9IfccWkRvEcRRmK5iiN-qdrdm-6zBupBKJLZxrL4SIgSp0qRJfDIJAa0SVXTJeI3iN6j0m2-DR_fjxsHj6vt6vdevPLYbvbrJ4fUZwhStF4Ed6tLo1oHI1HaTQZTVpZEo0Tnk7TJBEFGf0Or_Xo91uleDpM0_QCQTHJHtfrx08Ph8-b9W59_2V5eF4fNrvdCsXZCJPs8Pj85bBdf9ksHkLrsN1li8Ni_bzdzZ93h6f5YrPeXjuW683T_M_iT6un1VW68sYod-W8vLTh1Vt2kYegSS3gFdGlhcp4wGT1vYC22qTFIP8AwnDYwnDVCCBcAdNgr5K_wqZF6n1Jcf7RYH7o4Npz_fseUp9jP1Z6n_uHqWFSOM_4V1Jb44F7Y4nz1ugSk31hbMU8Jnuw1lgUZ52AOOCNlf6MyV4b0ujGgSDcVBXTgiipgTBbNhXoYCuYB-JlBSGjluvNbrX8pc9JFGcUk-LzaoFJoQ1xUDHtJSdSe7C1cdJLozEpTtLJXCrpz0Tq4MCRoxQC9M3Ybvy8yRpdNswKEISdmFSsx9DwgsmeKRVUQzS-IVIzyyrwYDHZv1jpIQRE6tJhsufMefJbw4JlJZ2TuiSFBCWI1NJLpuR_wDpMahAtkw5YGV22r4DQLf27aQhYzXw3b4G6xGQvq1pJLj0pmFL-aE1THoOROYEFQdyL9PxIBBSsUb4D1wZeOdSe-HMNrUiTk7S-YYoIbwILAQo8kO_0uKYswXkS8K0MebbvyBJu9Amsa-MfqCpgIsjDmtSedROz554JUrFzDqTRrqlrYz2EnBKSldo4L7kj3KjgrCgazYNdyJ_wdUGPeXbbLqQCUlso5CupWN3WzP9Rhv-Y586zEijJpXYozj6q-mHfKM4w0YZwpo2WnKneBFyXxGEdtLEJMVWGhezro95PGDgfMjJMR5gzh8k6lPLn7OH-yyMm5Qh3SN289oFp9IvUgniWq2DhvEBx1ifTaILJU4bJ0w7_zeqM6HLxxL7CUioI6ib_ddipbtr-VdAeChmK50JJ0H7I63poMHla_myfQ4GJ-flEOf4_969vEN8_YvxtxHg-GaF4nkxRPMd9BZxjeK2BhzXZ6FC3ZCFBECk6_xhj7C3jEE5C8XxbM413oW0RnW7gtwac33V9Ahy3svYmdCF6R1D8oFkFXSs88X0PisYP_xy90eQbetrginl-lLrE3GjnbRP2MFwYi99KcletTIERnfyBLqKTftT_njiM4hjF83FH34cxY6mx1M6HPeeN7KXcYg9VrZgH7GrgNwFBdNKtnpZY77z97_22_4hOQ6k6V6ZxODB1dQhUIBq62wXTDa8ThDM3qzafFyhefAD-kzFfm7qPcTid_wWbWp1_YPEn5HYTaLsuoTlYKFC8OBkpMKLTNoHeg9ueq9wojGjacn8ID51g2-GDwEew0M_8NQZv6RMGgGh6S-M0ukVuA9kLfJPfcgi2C6ZUzvjXdzLscoEZiFks7uI7NoDZKJ0mlKbpNBocZyljUVowKkaUJ-PkbkzzdEwTVkwhiabT8UDO3m4a0yRJomGSJnf5HaNsFImCRYCSCCom1TDEcWhsOZDONTBL6SSOB4rloFx7CaP0ksgU0XBV6fbg2ppcQdXegbKBnQUYkjelQ0mkpPPuCuylVzArmFQOe4Nb--7ahtLog6vk3cqXRnjQWDU7el-7NsGXiC5L6Y9NPuSmuh6-2xHW1vwK3Ad_gW7YNFrG_w0AAP__ihPCzw">