[CI][C++] Failed to build array_run_end_test.cc on Debian 10

[kou]

Describe the bug, including details regarding any error messages, version, and platform.

https://github.com/ursacomputing/crossbow/actions/runs/4248256583/jobs/7387221716#step:5:1617

FAILED: src/arrow/CMakeFiles/arrow-array-test.dir/array/array_run_end_test.cc.o 
/usr/local/bin/sccache /usr/lib/ccache/g++  -DARROW_HAVE_RUNTIME_AVX2 -DARROW_HAVE_RUNTIME_AVX512 -DARROW_HAVE_RUNTIME_BMI2 -DARROW_HAVE_RUNTIME_SSE4_2 -DARROW_HAVE_SSE4_2 -DARROW_HDFS -DARROW_MIMALLOC -DARROW_WITH_BROTLI -DARROW_WITH_BZ2 -DARROW_WITH_LZ4 -DARROW_WITH_RE2 -DARROW_WITH_SNAPPY -DARROW_WITH_TIMING_TESTS -DARROW_WITH_UTF8PROC -DARROW_WITH_ZLIB -DARROW_WITH_ZSTD -DGMOCK_LINKED_AS_SHARED_LIBRARY=1 -DGTEST_LINKED_AS_SHARED_LIBRARY=1 -DURI_STATIC_BUILD -Isrc -I/arrow/cpp/src -I/arrow/cpp/src/generated -isystem /arrow/cpp/thirdparty/flatbuffers/include -isystem /arrow/cpp/thirdparty/hadoop/include -isystem orc_ep-install/include -isystem zstd_ep-install/include -isystem protobuf_ep-install/include -isystem awssdk_ep-install/include -isystem /usr/include/x86_64-linux-gnu -isystem xsimd_ep/src/xsimd_ep-install/include -isystem jemalloc_ep-prefix/src -isystem mimalloc_ep/src/mimalloc_ep/include/mimalloc-2.0 -isystem googletest_ep-prefix/include -Wno-noexcept-type  -fdiagnostics-color=always  -Wall -Wno-conversion -Wno-sign-conversion -Wunused-result -fno-semantic-interposition -msse4.2  -g -Werror -O0 -ggdb -fPIE   -pthread -std=c++17 -MD -MT src/arrow/CMakeFiles/arrow-array-test.dir/array/array_run_end_test.cc.o -MF src/arrow/CMakeFiles/arrow-array-test.dir/array/array_run_end_test.cc.o.d -o src/arrow/CMakeFiles/arrow-array-test.dir/array/array_run_end_test.cc.o -c /arrow/cpp/src/arrow/array/array_run_end_test.cc
/arrow/cpp/src/arrow/array/array_run_end_test.cc: In member function 'virtual void arrow::{anonymous}::TestRunEndEncodedArray_Printing_Test::TestBody()':
/arrow/cpp/src/arrow/array/array_run_end_test.cc:580:9: error: converting to 'std::__cxx11::basic_stringstream<char>' from initializer list would use explicit constructor 'std::__cxx11::basic_stringstream<_CharT, _Traits, _Alloc>::basic_stringstream(std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::ios_base::openmode = std::_Ios_Openmode]' [-Werror]
   ss = {};
         ^
/arrow/cpp/src/arrow/array/array_run_end_test.cc:580:9: note: in C++11 and above a default constructor can be explicit
/arrow/cpp/src/arrow/array/array_run_end_test.cc:598:9: error: converting to 'std::__cxx11::basic_stringstream<char>' from initializer list would use explicit constructor 'std::__cxx11::basic_stringstream<_CharT, _Traits, _Alloc>::basic_stringstream(std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::ios_base::openmode = std::_Ios_Openmode]' [-Werror]
   ss = {};
         ^
/arrow/cpp/src/arrow/array/array_run_end_test.cc:598:9: note: in C++11 and above a default constructor can be explicit
/arrow/cpp/src/arrow/array/array_run_end_test.cc:619:9: error: converting to 'std::__cxx11::basic_stringstream<char>' from initializer list would use explicit constructor 'std::__cxx11::basic_stringstream<_CharT, _Traits, _Alloc>::basic_stringstream(std::ios_base::openmode) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::ios_base::openmode = std::_Ios_Openmode]' [-Werror]
   ss = {};
         ^
/arrow/cpp/src/arrow/array/array_run_end_test.cc:619:9: note: in C++11 and above a default constructor can be explicit
cc1plus: all warnings being treated as errors

The following patch will fix this:

diff --git a/cpp/src/arrow/array/array_run_end_test.cc b/cpp/src/arrow/array/array_run_end_test.cc
index 6b244f3932..9cf4c41056 100644
--- a/cpp/src/arrow/array/array_run_end_test.cc
+++ b/cpp/src/arrow/array/array_run_end_test.cc
@@ -577,7 +577,7 @@ TEST_P(TestRunEndEncodedArray, Printing) {
 
   ASSERT_OK_AND_ASSIGN(auto string_array,
                        RunEndEncodedArray::Make(30, run_end_values, string_values));
-  ss = {};
+  ss.str("");
   ASSERT_OK(PrettyPrint(*string_array, {}, &ss));
   ASSERT_EQ(ss.str(),
             "\n"
@@ -595,7 +595,7 @@ TEST_P(TestRunEndEncodedArray, Printing) {
             "  ]");
 
   auto sliced_array = string_array->Slice(15, 6);
-  ss = {};
+  ss.str("");
   ASSERT_OK(PrettyPrint(*sliced_array, {}, &ss));
   ASSERT_EQ(ss.str(),
             "\n"
@@ -616,7 +616,7 @@ TEST_P(TestRunEndEncodedArray, Printing) {
                        RunEndEncodedArray::Make(0, ArrayFromJSON(run_end_type, "[]"),
                                                 ArrayFromJSON(binary(), "[]")));
 
-  ss = {};
+  ss.str("");
   ASSERT_OK(PrettyPrint(*empty_array, {}, &ss));
   ASSERT_EQ(ss.str(),
             "\n"

Component(s)

C++, Continuous Integration