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https://issues.apache.org/jira/browse/IMPALA-12334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith resolved IMPALA-12334.
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Fix Version/s: Impala 4.4.0
Resolution: Fixed
> Enable debug symbols in LLVM library debug build
> ------------------------------------------------
>
> Key: IMPALA-12334
> URL: https://issues.apache.org/jira/browse/IMPALA-12334
> Project: IMPALA
> Issue Type: Task
> Components: Backend
> Reporter: Michael Smith
> Priority: Major
> Fix For: Impala 4.4.0
>
>
> Impala uses two builds of LLVM, one that's Release-optimized and another with
> assertions enabled. The library with assertions enabled is only used for
> Impala debug builds.
> It would be useful to have debug symbols enabled when developing with LLVM to
> understand errors and assertion failures in LLVM source code. LLVM supports a
> RelWithDebInfo build
> (https://llvm.org/docs/CMake.html#frequently-used-cmake-variables) that
> shouldn't affect performance much (if at all) and would make debugging
> simpler. Let's enable it in the assertion-enabled builds (which already
> accept a performance hit from assertions).
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