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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - performance regression and occasional deadlocks on OpenBSD"
href="https://llvm.org/bugs/show_bug.cgi?id=30768">30768</a>
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<th>Summary</th>
<td>performance regression and occasional deadlocks on OpenBSD
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>3.9
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>OpenBSD
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Support Libraries
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>brad@comstyle.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>With the introduction of the use of std::call_once it has resulted in
performance regression and occasional deadlocks on OpenBSD. This seems to have
exposed issues with the libstdc++ std::call_once implementation on OpenBSD in
the current environment (lacking TLS support).
<a href="https://github.com/rust-lang/rust/issues/36905">https://github.com/rust-lang/rust/issues/36905</a></pre>
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</p>
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