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https://issues.apache.org/jira/browse/ARROW-4520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-4520:
--------------------------------
    Fix Version/s:     (was: 0.13.0)

> [C++] DCHECK custom messages are unreachable in release
> -------------------------------------------------------
>
>                 Key: ARROW-4520
>                 URL: https://issues.apache.org/jira/browse/ARROW-4520
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Benjamin Kietzman
>            Assignee: Benjamin Kietzman
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 9h 10m
>  Remaining Estimate: 0h
>
> For release builds, {{DCHECK( x ) << y << z;}} currently expands to
> {code}
> ((void)(x)); 
> while (false) ::arrow::util::ArrowLogBase() << y << z;
> {code}
> This is unreachable which is an error using clang-7



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