[jira] [Closed] (ARROW-11398) [C++][Compute] Test failures with gcc-9.3 on aarch64

["Yibo Cai (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-11398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yibo Cai closed ARROW-11398.
----------------------------
    Resolution: Won't Fix

To summarize:
- gcc-9.3 aarch64 auto vectorization generates buggy code for this [code block|https://github.com/apache/arrow/blob/d0ce28b7fdcfba16d8888e404e20eda47097df17/cpp/src/arrow/util/bitmap_generate.h#L89-L96].
- gcc-7.5, gcc-10.1 don't have this problem.

> [C++][Compute] Test failures with gcc-9.3 on aarch64
> ----------------------------------------------------
>
>                 Key: ARROW-11398
>                 URL: https://issues.apache.org/jira/browse/ARROW-11398
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 3.0.0
>            Reporter: Tobias Mayer
>            Assignee: Yibo Cai
>            Priority: Major
>         Attachments: aarch64.log
>
>
> The tests
> * arrow-compute-scalar-test
> ** "TestCompareKernel.PrimitiveRandomTests"
> * arrow-compute-vector-test
> ** "TestFilterKernelWithNumeric/3.CompareArrayAndFilterRandomNumeric"
> ** "TestFilterKernelWithNumeric/7.CompareArrayAndFilterRandomNumeric"
> Fail on aarch64 on NixOS. Full Build log is attached.



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