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https://issues.apache.org/jira/browse/IMPALA-13190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell resolved IMPALA-13190.
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Fix Version/s: Impala 4.5.0
Resolution: Fixed
> Backport Clang compiler fix to Toolchain Clang 5.0.1
> ----------------------------------------------------
>
> Key: IMPALA-13190
> URL: https://issues.apache.org/jira/browse/IMPALA-13190
> Project: IMPALA
> Issue Type: Sub-task
> Components: Toolchain
> Reporter: Zoltán Borók-Nagy
> Assignee: Zoltán Borók-Nagy
> Priority: Major
> Fix For: Impala 4.5.0
>
>
> Toolchain Clang 5.0.1 fails to compile the CRoaring library.
> There was an overlook in the C11 standard that didn't allow const argument
> for atomic_load operations. It was later revised, see
> [https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1807.htm]
> Since then GCC/Clang allow passing const _Atomic(T)* in all versions of C.
> * LLVM discussion thread:
> [https://lists.llvm.org/pipermail/cfe-dev/2018-May/058129.html]
> * Clang fix:
> [https://github.com/llvm/llvm-project/commit/b4b1f59869b1045258787f5a138f9710859cfe95]
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