[jira] [Commented] (ARROW-12708) [C++] Valgrind errors when calling negate_checked

["Jonathan Keane (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-12708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17344132#comment-17344132 ] 

Jonathan Keane commented on ARROW-12708:
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If we do have a patch release, we will need to address this before the patch release is made. We could look into disabling the tests that it complains about (on CRAN), but given the number of errors, that would likely be a large number of them.

> [C++] Valgrind errors when calling negate_checked
> -------------------------------------------------
>
>                 Key: ARROW-12708
>                 URL: https://issues.apache.org/jira/browse/ARROW-12708
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>            Reporter: Jonathan Keane
>            Assignee: Eduardo Ponce
>            Priority: Major
>             Fix For: 5.0.0, 4.0.1
>
>
> We've started seeing Valgrind in our R tests. I did some digging through the commits and found that these errors started when https://github.com/apache/arrow/commit/0d979bf0cbb10e4977c99a542c266134604e72a5 was merged (ARROW-12575).
> As far as I know, this is the first use of {{negate_checked}} in R, so that is the likely culprit, though I haven't been able to match the error outputs to the {{negate_checked}} code directly.
> Here's the first failure: https://dev.azure.com/ursacomputing/crossbow/_build/results?buildId=4805&view=logs&j=0da5d1d9-276d-5173-c4c4-9d4d4ed14fdb&t=d9b15392-e4ce-5e4c-0c8c-b69645229181&l=2942



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