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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-40836] Upgrade PCRE to 8.43</title>
                <link>https://jira.mongodb.org/browse/SERVER-40836</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="745236">SERVER-40836</key>
            <summary>Upgrade PCRE to 8.43</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="mathew.robinson@mongodb.com">Mathew Robinson</assignee>
                                    <reporter username="spencer.jackson@mongodb.com">Spencer Jackson</reporter>
                        <labels>
                    </labels>
                <created>Thu, 25 Apr 2019 18:49:06 +0000</created>
                <updated>Wed, 22 May 2019 15:50:43 +0000</updated>
                            <resolved>Wed, 22 May 2019 15:50:43 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2256387" author="mathew.robinson" created="Wed, 22 May 2019 15:50:43 +0000"  >&lt;p&gt;PCRE 8.43 is a bug fix for adding some new prefix options to the C++ wrapper of the library. Unfortunately it introduced a new bug that breaks our tests so for now I&apos;m going to close this as Won&apos;t Fix and I&apos;ve opened a bug report with PCRE with a patch so this can be fixed upstream: &lt;a href=&quot;https://bugs.exim.org/show_bug.cgi?id=2400&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://bugs.exim.org/show_bug.cgi?id=2400&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;If you read the comment &lt;a href=&quot;https://github.com/svn2github/pcre/blame/master/pcrecpp.cc#L157&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; you&apos;ll see that the prefix options were incorrectly parsed using the C++ wrapper for some UTF prefixes. The fix for this was to create an array of all of the prefix options &lt;a href=&quot;https://github.com/svn2github/pcre/blame/master/pcrecpp.cc#L85&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;. But this list currently does not contain all of the valid prefix options, specifically it&apos;s missing the &lt;tt&gt;(*LF)&lt;/tt&gt; option. &lt;/p&gt;

&lt;p&gt;This breaks our RegexAcceptsLFOption test:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[main] RegexMatchExpression                     | tests:   27 | fails:    1 | assert calls:          0 | time secs:  0.001&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;[cpp_unit_test:expression_test] 2019-05-21T22:27:33.156+0000 	RegexAcceptsLFOption	DBException: Location51091: Regular expression is invalid: (*VERB) not recognized or malformed in test RegexAcceptsLFOption&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;</comment>
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