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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - DIDescriptor::isLexicalBlock() returns true for DILexicalBlockFile"
href="http://llvm.org/bugs/show_bug.cgi?id=21279">21279</a>
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<th>Summary</th>
<td>DIDescriptor::isLexicalBlock() returns true for DILexicalBlockFile
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</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>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Core LLVM classes
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dexonsmith@apple.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>DIDescriptor::isLexicalBlock() returns true for DILexicalBlockFile. This
doesn't make sense, since DILexicalBlockFile::Verify() would return false. It
causes problems (e.g.) in pretty printing, because the "identity" of
DIDescriptors is checked like:
// ...
} else if (DI.isLexicalBlock()) {
// ...
} else if (DI.isLexicalBlockFile()) {
// ...
I tried to fix this as a drive-by as part of PR17891 in r218914, but it caused
a problem building Asan so I had to back it out.
I haven't seen any other real problems (besides pretty printing) but it's a
time bomb.</pre>
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</p>
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