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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - lld-link ignores IMAGE_COMDAT_SELECT_* attributes"
href="https://bugs.llvm.org/show_bug.cgi?id=40094">40094</a>
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<th>Summary</th>
<td>lld-link ignores IMAGE_COMDAT_SELECT_* attributes
</td>
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<th>Product</th>
<td>lld
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
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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
</td>
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<th>Component</th>
<td>COFF
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>ruiu@google.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
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<pre>lld-link currently ignores "Selection field" of a COMDAT symbol which is
described in the spec:
<a href="https://docs.microsoft.com/en-us/windows/desktop/debug/pe-format#comdat-sections-object-only">https://docs.microsoft.com/en-us/windows/desktop/debug/pe-format#comdat-sections-object-only</a>
lld-link's current behavior is IMAGE_COMDAT_SELECT_ANY. So, there are two or
more COMDAT section, lld-link just picks any section from them, even though
MSVC link.exe may print out an error if their attributes are not of SELECT_ANY.
This is simply a missing feature and needs to be implemented to lld-link.</pre>
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