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Posted to issues@arrow.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/09/17 21:06:00 UTC
[jira] [Updated] (ARROW-6588) [C++] Suppress class-memaccess
warning with g++ 9.2.1
[ https://issues.apache.org/jira/browse/ARROW-6588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-6588:
----------------------------------
Labels: pull-request-available (was: )
> [C++] Suppress class-memaccess warning with g++ 9.2.1
> -----------------------------------------------------
>
> Key: ARROW-6588
> URL: https://issues.apache.org/jira/browse/ARROW-6588
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Sutou Kouhei
> Assignee: Sutou Kouhei
> Priority: Major
> Labels: pull-request-available
>
> {noformat}
> [1/8] Building CXX object src/parquet/CMakeFiles/parquet_objlib.dir/encoding.cc.o
> FAILED: src/parquet/CMakeFiles/parquet_objlib.dir/encoding.cc.o
> /usr/bin/c++ -DARROW_EXTRA_ERROR_CONTEXT -DARROW_JEMALLOC -DARROW_JEMALLOC_INCLUDE_DIR="" -DARROW_USE_GLOG -DARROW_USE_SIMD -DARROW_WITH_ZSTD -DHAVE_INTTYPES_H -DHAVE_NETDB_H -DHAVE_NETINET_IN_H -DPARQUET_EXPORTING -Isrc -I../src -isystem jemalloc_ep-prefix/src -isystem flatbuffers_ep-prefix/src/flatbuffers_ep-install/include -isystem ../thirdparty/cares_ep-install/include -isystem ../thirdparty/hadoop/include -isystem orc_ep-install/include -Wno-noexcept-type -fdiagnostics-color=always -ggdb -O0 -Wall -Wno-conversion -Wno-sign-conversion -Wno-unused-variable -Werror -msse4.2 -g -fPIC -std=gnu++11 -MD -MT src/parquet/CMakeFiles/parquet_objlib.dir/encoding.cc.o -MF src/parquet/CMakeFiles/parquet_objlib.dir/encoding.cc.o.d -o src/parquet/CMakeFiles/parquet_objlib.dir/encoding.cc.o -c ../src/parquet/encoding.cc
> In file included from ../src/parquet/encoding.cc:33:
> ../src/arrow/util/rle_encoding.h: In instantiation of 'int arrow::util::RleDecoder::GetBatchWithDictSpaced(const T*, T*, int, int, const uint8_t*, int64_t) [with T = parquet::FixedLenByteArray; uint8_t = unsigned char; int64_t = long int]':
> ../src/parquet/encoding.cc:1079:20: required from 'int parquet::DictDecoderImpl<Type>::DecodeSpaced(parquet::DictDecoderImpl<Type>::T*, int, int, const uint8_t*, int64_t) [with Type = parquet::PhysicalType<parquet::Type::FIXED_LEN_BYTE_ARRAY>; parquet::DictDecoderImpl<Type>::T = parquet::FixedLenByteArray; uint8_t = unsigned char; int64_t = long int]'
> ../src/parquet/encoding.cc:1076:7: required from here
> ../src/arrow/util/rle_encoding.h:440:9: error: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct parquet::FixedLenByteArray'; use assignment or value-initialization instead [-Werror=class-memaccess]
> 440 | memset(&zero, 0, sizeof(T));
> | ~~~~~~^~~~~~~~~~~~~~~~~~~~~
> In file included from ../src/parquet/encoding.h:27,
> from ../src/parquet/encoding.cc:18:
> ../src/parquet/types.h:515:8: note: 'struct parquet::FixedLenByteArray' declared here
> 515 | struct FixedLenByteArray {
> | ^~~~~~~~~~~~~~~~~
> In file included from ../src/parquet/encoding.cc:33:
> ../src/arrow/util/rle_encoding.h: In instantiation of 'int arrow::util::RleDecoder::GetBatchWithDictSpaced(const T*, T*, int, int, const uint8_t*, int64_t) [with T = parquet::ByteArray; uint8_t = unsigned char; int64_t = long int]':
> ../src/parquet/encoding.cc:1079:20: required from 'int parquet::DictDecoderImpl<Type>::DecodeSpaced(parquet::DictDecoderImpl<Type>::T*, int, int, const uint8_t*, int64_t) [with Type = parquet::PhysicalType<parquet::Type::BYTE_ARRAY>; parquet::DictDecoderImpl<Type>::T = parquet::ByteArray; uint8_t = unsigned char; int64_t = long int]'
> ../src/parquet/encoding.cc:1076:7: required from here
> ../src/arrow/util/rle_encoding.h:440:9: error: 'void* memset(void*, int, size_t)' clearing an object of non-trivial type 'struct parquet::ByteArray'; use assignment or value-initialization instead [-Werror=class-memaccess]
> 440 | memset(&zero, 0, sizeof(T));
> | ~~~~~~^~~~~~~~~~~~~~~~~~~~~
> In file included from ../src/parquet/encoding.h:27,
> from ../src/parquet/encoding.cc:18:
> ../src/parquet/types.h:495:8: note: 'struct parquet::ByteArray' declared here
> 495 | struct ByteArray {
> | ^~~~~~~~~
> cc1plus: all warnings being treated as errors
> {noformat}
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