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https://issues.apache.org/jira/browse/ARROW-4520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17661542#comment-17661542
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Rok Mihevc commented on ARROW-4520:
-----------------------------------
This issue has been migrated to [issue
#15968|https://github.com/apache/arrow/issues/15968] on GitHub. Please see the
[migration documentation|https://github.com/apache/arrow/issues/14542] for
further details.
> [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: Ben Kietzman
> Assignee: Ben Kietzman
> Priority: Major
> Labels: pull-request-available
> Time Spent: 9h 20m
> 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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