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        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-54199] Stop warning on redundant moves</title>
                <link>https://jira.mongodb.org/browse/SERVER-54199</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;By definition redundant moves are harmless, unlike pessimizing moves. Additionally the cases where implicit moves are allowed changes not just based on the standard revision, but also based on DRs, so it can change between compiler versions even at the same &lt;tt&gt;-std=c++XX&lt;/tt&gt; level. The example given in the comment justifying the flag (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/8baad6fdb799b24bbc999089773698a10bfeaecc/SConstruct#L2842-L2844&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/8baad6fdb799b24bbc999089773698a10bfeaecc/SConstruct#L2842-L2844&lt;/a&gt;) is just such a case. It used to be required to have an explicit move, but on some compilers that have applied the DR, it isn&apos;t anymore. Given that it isn&apos;t harmful, and that there is actually a move happening (unlike the move-elision pessimization case), it seems reasonable to leave the &lt;tt&gt;std::move&lt;/tt&gt; in place, and is at least unhelpful to warn about it.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Acceptance criteria:&lt;/b&gt;&lt;/p&gt;

&lt;p&gt;Remove the flag&lt;/p&gt;</description>
                <environment></environment>
        <key id="1608806">SERVER-54199</key>
            <summary>Stop warning on redundant moves</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="daniel.moody@mongodb.com">Daniel Moody</assignee>
                                    <reporter username="mathias@mongodb.com">Mathias Stearn</reporter>
                        <labels>
                            <label>servicearch-wfbf-day</label>
                    </labels>
                <created>Tue, 2 Feb 2021 11:04:54 +0000</created>
                <updated>Sun, 29 Oct 2023 21:58:08 +0000</updated>
                            <resolved>Mon, 22 Mar 2021 14:12:12 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Build</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3676066" author="xgen-internal-githook" created="Mon, 22 Mar 2021 14:02:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Daniel Moody&apos;, &apos;email&apos;: &apos;daniel.moody@mongodb.com&apos;, &apos;username&apos;: &apos;dmoody256&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54199&quot; title=&quot;Stop warning on redundant moves&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54199&quot;&gt;&lt;del&gt;SERVER-54199&lt;/del&gt;&lt;/a&gt; removed default -Wredundant-move flag.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6fcbf78f7d94e6d7ace7deea808464f1e0bd7777&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6fcbf78f7d94e6d7ace7deea808464f1e0bd7777&lt;/a&gt;&lt;/p&gt;</comment>
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