[C++] gcc 4.8 build failures

[asfimport]

[219/530] Building CXX object src/arrow/c/CMakeFiles/arrow-c-bridge-test.dir/bridge_test.cc.o
FAILED: src/arrow/c/CMakeFiles/arrow-c-bridge-test.dir/bridge_test.cc.o 
/usr/bin/ccache /usr/bin/g++-4.8  -DARROW_EXTRA_ERROR_CONTEXT -DARROW_HDFS -DARROW_JEMALLOC -DARROW_JEMALLOC_INCLUDE_DIR="" -DARROW_NO_DEPRECATED_API -DARROW_USE_SIMD -DARROW_WITH_BROTLI -DARROW_WITH_BZ2 -DARROW_WITH_LZ4 -DARROW_WITH_SNAPPY -DARROW_WITH_TIMING_TESTS -DARROW_WITH_ZLIB -DARROW_WITH_ZSTD -DBOOST_ALL_NO_LIB -DBOOST_FILESYSTEM_DYN_LINK -DBOOST_SYSTEM_DYN_LINK -DURI_STATIC_BUILD -Isrc -I../src -I../src/generated -isystem ../thirdparty/flatbuffers/include -isystem /home/wesm/cpp-toolchain/include -isystem jemalloc_ep-prefix/src -isystem ../thirdparty/hadoop/include -fuse-ld=gold -ggdb -O0  -Wall -Wno-conversion -Wno-sign-conversion -Wno-unused-variable -Werror -Wno-attributes -msse4.2 -fno-omit-frame-pointer -g -fPIE   -pthread -std=gnu++11 -MD -MT src/arrow/c/CMakeFiles/arrow-c-bridge-test.dir/bridge_test.cc.o -MF src/arrow/c/CMakeFiles/arrow-c-bridge-test.dir/bridge_test.cc.o.d -o src/arrow/c/CMakeFiles/arrow-c-bridge-test.dir/bridge_test.cc.o -c ../src/arrow/c/bridge_test.cc
../src/arrow/c/bridge_test.cc:50:38: error: field initializer is not constant
   static constexpr auto ExportFunc = ExportType;
                                      ^
../src/arrow/c/bridge_test.cc:55:38: error: field initializer is not constant
   static constexpr auto ExportFunc = ExportField;
                                      ^
../src/arrow/c/bridge_test.cc:60:38: error: field initializer is not constant
   static constexpr auto ExportFunc = ExportSchema;

Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm

PRs and other links:

• GitHub Pull Request #6538

_{Note: This issue was originally created as ARROW-8000. Please see the migration documentation for further details.}

[asfimport]

Kouhei Sutou / @kou:
Issue resolved by pull request 6538
#6538