Benjamin Kietzman created ARROW-4520:
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Summary: [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
For release builds, {{DCHECK(x) << y << z;}} currently expands to
{code}
((void)(x));
while (false) ::arrow::util::ArrowLogBase() << y << z;
{code}
This is unreachable and which is an error using clang-7
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