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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Detect dispatch_once_t in per-thread storage."
href="http://llvm.org/bugs/show_bug.cgi?id=18671">18671</a>
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<th>Summary</th>
<td>Detect dispatch_once_t in per-thread storage.
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<th>Product</th>
<td>clang
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Static Analyzer
</td>
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<th>Assignee</th>
<td>kremenek@apple.com
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<th>Reporter</th>
<td>iamleeg@gmail.com
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>The contrived case at this gist (<a href="https://gist.github.com/iamleeg/8707968">https://gist.github.com/iamleeg/8707968</a>) uses
dispatch_once(), but because the dispatch_once_t token is in thread-local
storage the block will get executed multiple times. Perhaps the analyzer should
be able to report on this situation, because while I *might* want to do it, I
*probably* don't.</pre>
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