kou opened a new issue, #44730: URL: https://github.com/apache/arrow/issues/44730
### Describe the bug, including details regarding any error messages, version, and platform. https://github.com/apache/arrow/actions/runs/11832540637/job/32972925227?pr=44621#step:7:1428 ```text FAILED: src/arrow/CMakeFiles/arrow-buffer-test.dir/buffer_test.cc.obj D:\a\_temp\msys64\clang64\bin\ccache.exe D:\a\_temp\msys64\clang64\bin\c++.exe -DARROW_HAVE_RUNTIME_AVX2 -DARROW_HAVE_RUNTIME_BMI2 -DARROW_HAVE_RUNTIME_SSE4_2 -DARROW_HAVE_SSE4_2 -DUSE_IMPORT_EXPORT -D_CRT_SECURE_NO_WARNINGS -D_ENABLE_EXTENDED_ALIGNED_STORAGE -ID:/a/arrow/arrow/build/cpp/src -ID:/a/arrow/arrow/cpp/src -ID:/a/arrow/arrow/cpp/src/generated -isystem D:/a/arrow/arrow/build/cpp/_deps/googletest-src/googlemock/include -isystem D:/a/arrow/arrow/build/cpp/_deps/googletest-src/googletest/include -isystem D:/a/arrow/arrow/cpp/thirdparty/flatbuffers/include -isystem D:/a/arrow/arrow/build/cpp/_deps/googletest-src/googletest -isystem D:/a/arrow/arrow/build/cpp/_deps/googletest-src/googlemock -Qunused-arguments -fcolor-diagnostics -Wa,-mbig-obj -Wall -Wextra -Wdocumentation -DARROW_WARN_DOCUMENTATION -Wshorten-64-to-32 -Wno-missing-braces -Wno-unused-parameter -Wno-constant-logical-operand -Wno-return-stack-address -Wdate-time -Wno-unknown-warning-option -Wno-pass-failed -mxs ave -msse4.2 -O3 -DNDEBUG -O2 -std=c++17 -MD -MT src/arrow/CMakeFiles/arrow-buffer-test.dir/buffer_test.cc.obj -MF src\arrow\CMakeFiles\arrow-buffer-test.dir\buffer_test.cc.obj.d -o src/arrow/CMakeFiles/arrow-buffer-test.dir/buffer_test.cc.obj -c D:/a/arrow/arrow/cpp/src/arrow/buffer_test.cc In file included from D:/a/arrow/arrow/cpp/src/arrow/buffer_test.cc:23: D:/a/_temp/msys64/clang64/include/c++/v1/string:820:42: error: implicit instantiation of undefined template 'std::char_traits<unsigned char>' 820 | static_assert(is_same<_CharT, typename traits_type::char_type>::value, | ^ D:/a/arrow/arrow/cpp/src/arrow/buffer_test.cc:515:30: note: in instantiation of template class 'std::basic_string<unsigned char>' requested here 515 | std::basic_string<uint8_t> data_str = data_array; | ^ D:/a/_temp/msys64/clang64/include/c++/v1/__fwd/string.h:23:29: note: template is declared here 23 | struct _LIBCPP_TEMPLATE_VIS char_traits; | ^ In file included from D:/a/arrow/arrow/cpp/src/arrow/buffer_test.cc:23: D:/a/_temp/msys64/clang64/include/c++/v1/string:1061:17: error: implicit instantiation of undefined template 'std::char_traits<unsigned char>' 1061 | __init(__s, traits_type::length(__s)); | ^ D:/a/arrow/arrow/cpp/src/arrow/buffer_test.cc:515:41: note: in instantiation of function template specialization 'std::basic_string<unsigned char>::basic_string<0>' requested here 515 | std::basic_string<uint8_t> data_str = data_array; | ^ D:/a/_temp/msys64/clang64/include/c++/v1/__fwd/string.h:23:29: note: template is declared here 23 | struct _LIBCPP_TEMPLATE_VIS char_traits; | ^ 2 errors generated. ``` ### Component(s) C++ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
