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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ThinLTO] Assertion `!(Pair.first != Ty && Pair.second == Ty) && "mapping to a source type"' failed"
href="https://llvm.org/bugs/show_bug.cgi?id=28673">28673</a>
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<th>Summary</th>
<td>[ThinLTO] Assertion `!(Pair.first != Ty && Pair.second == Ty) && "mapping to a source type"' failed
</td>
</tr>
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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>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>ELF
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>twoh@fb.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>
</tr></table>
<p>
<div>
<pre>ld: /home/twoh/llvms/latest-dev/llvm/lib/Linker/IRMover.cpp:319: llvm::Type*
{anonymous}::TypeMapTy::get(llvm::Type*, llvm::SmallPtrSet<llvm::StructType*,
8u>&): Assertion `!(Pair.first != Ty && Pair.second == Ty) && "mapping to a
source type"' failed.
clang-3.9: error: unable to execute command: Aborted (core dumped)
clang-3.9: error: linker command failed due to signal (use -v to see
invocation)
Encountered the assertion failure while running ThinLTO.</pre>
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