[jira] [Created] (ARROW-8554) [C++][Benchmark] Fix building error "cannot bind lvalue"

[Jiajia Li (Jira)]

Jiajia Li created ARROW-8554:
--------------------------------

             Summary: [C++][Benchmark] Fix building error "cannot bind lvalue"
                 Key: ARROW-8554
                 URL: https://issues.apache.org/jira/browse/ARROW-8554
             Project: Apache Arrow
          Issue Type: Bug
          Components: Benchmarking
            Reporter: Jiajia Li


When running the commads:

```

cmake -DARROW_BUILD_BENCHMARKS=ON ..
make

```

with following error:

bit_util_benchmark.cc:96:10: error: cannot bind 
‘std::unique_ptr<arrow::Buffer>’ lvalue to ‘std::unique_ptr<arrow::Buffer>&&’
 return buffer;



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