emkornfield commented on a change in pull request #10627:
URL: https://github.com/apache/arrow/pull/10627#discussion_r664738151
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File path: cpp/src/arrow/util/bit_stream_utils.h
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@@ -418,14 +450,65 @@ inline bool BitReader::GetVlqInt(uint32_t* v) {
}
inline bool BitWriter::PutZigZagVlqInt(int32_t v) {
- auto u_v = ::arrow::util::SafeCopy<uint32_t>(v);
- return PutVlqInt((u_v << 1) ^ (u_v >> 31));
+ uint32_t u_v = ::arrow::util::SafeCopy<uint32_t>(v);
+ v = (u_v << 1) ^ (v >> 31);
+ u_v = ::arrow::util::SafeCopy<uint32_t>(v);
Review comment:
and elimnate this line.
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