用mold链接brpc报duplicate symbol

[BiteTheDDDDt]

Describe the bug (描述bug)
用ld/lld/gold链接都是可以的，但是mold链接就会报这个错，不知道是mold的问题还是brpc的问题？

To Reproduce (复现方法)

mold: error: duplicate symbol: /home/bitetheddddt/dbdev/incubator-doris/thirdparty/installed/lib64/libbrpc.a(collector.cpp.o): src/service/CMakeFiles/palo_be.dir/doris_main.cpp.o: guard variable for butil::detail::ClassNameHelper<long>::name[abi:cxx11]
mold: error: duplicate symbol: /home/bitetheddddt/dbdev/incubator-doris/thirdparty/installed/lib64/libbrpc.a(acceptor.cpp.o): src/exec/libExec.a(data_sink.cpp.o): guard variable for butil::detail::ClassNameHelper<int>::name[abi:cxx11]
mold: error: duplicate symbol: /home/bitetheddddt/dbdev/incubator-doris/thirdparty/installed/lib64/libbrpc.a(execution_queue.cpp.o): src/exec/libExec.a(data_sink.cpp.o): guard variable for butil::detail::ClassNameHelper<bvar::detail::AddTo<long> >::name[abi:cxx11]
mold: error: duplicate symbol: /home/bitetheddddt/dbdev/incubator-doris/thirdparty/installed/lib64/libbrpc.a(collector.cpp.o): src/service/CMakeFiles/palo_be.dir/doris_main.cpp.o: guard variable for butil::detail::ClassNameHelper<bvar::detail::MaxTo<long> >::name[abi:cxx11]
mold: error: duplicate symbol: /home/bitetheddddt/dbdev/incubator-doris/thirdparty/installed/lib64/libbrpc.a(acceptor.cpp.o): src/exec/libExec.a(data_sink.cpp.o): guard variable for butil::detail::ClassNameHelper<bvar::detail::AddTo<int> >::name[abi:cxx11]
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Expected behavior (期望行为)

Versions (各种版本)
OS:
Compiler:
brpc:
protobuf:

Additional context/screenshots (更多上下文/截图)

[wwbmmm]

看起来是mold的行为和其它ld不兼容，参考：rui314/mold#524
有一个解决方案是gcc编译源码时加上-fno-gnu-unique选项

[BiteTheDDDDt]

从clang14升级到clang15，又遇到了类似的问题

ld.lld: error: duplicate symbol: guard variable for butil::detail::ClassNameHelper<long>::name[abi:cxx11]
>>> defined at doris_main.cpp
>>>            src/service/CMakeFiles/doris_be.dir/doris_main.cpp.o:(guard variable for butil::detail::ClassNameHelper<long>::name[abi:cxx11])
>>> defined at key.cpp.o:(.bss._ZGVN5butil6detail15ClassNameHelperIlE4nameB5cxx11E+0x0) in archive /mnt/disk1/pxl/doris/thirdparty/installed//lib64/libbrpc.a

ld.lld: error: duplicate symbol: guard variable for butil::detail::ClassNameHelper<bvar::detail::MaxTo<long>>::name[abi:cxx11]
>>> defined at doris_main.cpp
>>>            src/service/CMakeFiles/doris_be.dir/doris_main.cpp.o:(guard variable for butil::detail::ClassNameHelper<bvar::detail::MaxTo<long>>::name[abi:cxx11])
>>> defined at key.cpp.o:(.bss._ZGVN5butil6detail15ClassNameHelperIN4bvar6detail5MaxToIlEEE4nameB5cxx11E+0x0) in archive /mnt/disk1/pxl/doris/thirdparty/installed//lib64/libbrpc.a

ld.lld: error: duplicate symbol: guard variable for butil::detail::ClassNameHelper<bvar::detail::AddTo<long>>::name[abi:cxx11]
>>> defined at rpc_fn_call.cpp
>>>            rpc_fn_call.cpp.o:(guard variable for butil::detail::ClassNameHelper<bvar::detail::AddTo<long>>::name[abi:cxx11]) in archive src/exprs/libExprs.a
>>> defined at task_control.cpp.o:(.bss._ZGVN5butil6detail15ClassNameHelperIN4bvar6detail5AddToIlEEE4nameB5cxx11E+0x0) in archive /mnt/disk1/pxl/doris/thirdparty/installed//lib64/libbrpc.a

ld.lld: error: duplicate symbol: guard variable for butil::detail::ClassNameHelper<int>::name[abi:cxx11]
>>> defined at rpc_fn_call.cpp
>>>            rpc_fn_call.cpp.o:(guard variable for butil::detail::ClassNameHelper<int>::name[abi:cxx11]) in archive src/exprs/libExprs.a
>>> defined at index_service.cpp.o:(.bss._ZGVN5butil6detail15ClassNameHelperIiE4nameB5cxx11E+0x0) in archive /mnt/disk1/pxl/doris/thirdparty/installed//lib64/libbrpc.a

ld.lld: error: duplicate symbol: guard variable for butil::detail::ClassNameHelper<bvar::detail::AddTo<int>>::name[abi:cxx11]
>>> defined at rpc_fn_call.cpp
>>>            rpc_fn_call.cpp.o:(guard variable for butil::detail::ClassNameHelper<bvar::detail::AddTo<int>>::name[abi:cxx11]) in archive src/exprs/libExprs.a
>>> defined at index_service.cpp.o:(.bss._ZGVN5butil6detail15ClassNameHelperIN4bvar6detail5AddToIiEEE4nameB5cxx11E+0x0) in archive /mnt/disk1/pxl/doris/thirdparty/installed//lib64/libbrpc.a
clang-15: error: linker command failed with exit code 1

[BiteTheDDDDt]

试了一下用ld是可以的,lld不行

[wwbmmm]

Fixed by #1936