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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-63463] Audit how bitcastTo() and bitcastFrom() convert from unsigned to signed</title>
                <link>https://jira.mongodb.org/browse/SERVER-63463</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The C++ standard says the following about unsigned-&amp;gt;signed conversions:&lt;/p&gt;

&lt;p&gt;&quot;If the destination type is signed, the value is unchanged if it can be represented in the destination type (and bit-field width); otherwise, the value is implementation-defined.&quot;&lt;/p&gt;

&lt;p&gt;The goal of this task is to audit how bitcastTo() and bitcastFrom() convert from unsigned to signed, and to fix these functions as needed so that the convert from unsigned to signed in a manner that preserves the bit pattern (i.e. it should match how memcpy() would perform the conversion).&lt;/p&gt;

&lt;p&gt;It would also be good to scrutinize any signed to unsigned conversions performed within the implementations of&#160;bitcastTo() and bitcastFrom() and to make sure we&apos;re happy with how we&apos;re performing these conversions.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1979939">SERVER-63463</key>
            <summary>Audit how bitcastTo() and bitcastFrom() convert from unsigned to signed</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="andrew.paroski@mongodb.com">Drew Paroski</assignee>
                                    <reporter username="andrew.paroski@mongodb.com">Drew Paroski</reporter>
                        <labels>
                            <label>sbe</label>
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                <created>Wed, 9 Feb 2022 00:24:05 +0000</created>
                <updated>Thu, 10 Feb 2022 21:56:04 +0000</updated>
                            <resolved>Thu, 10 Feb 2022 21:56:04 +0000</resolved>
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