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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [llvm-profdata] nodeduplicate has been violated!"
href="https://bugs.llvm.org/show_bug.cgi?id=51394">51394</a>
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<th>Summary</th>
<td>[llvm-profdata] nodeduplicate has been violated!
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</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>Miscellaneous Instrumentation passes
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>Wolfgang_Pieb@playstation.sony.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>After
<a href="https://github.com/llvm/llvm-project/commit/c24b7a16b1001a8978335183d958fd0aa482c1d9">https://github.com/llvm/llvm-project/commit/c24b7a16b1001a8978335183d958fd0aa482c1d9</a>
we get the error in the subject line with -flto -fprofile-instr-generate:
1.cpp:
__attribute__((weak)) void f(){};
2.cpp:
int main(){}
<span class="quote">> clang -flto -fprofile-instr-generate -c 1.cpp -o 1.o
> clang -flto -fprofile-instr-generate -c 2.cpp -o 2.o
> llvm-link -o a.o 1.o 1.o 2.o</span >
error: Linking COMDATs named '__profc__Z1fv': nodeduplicate has been violated!
This is a reduction from a large application (game) from one of our licensees.
Not using LTO works fine.</pre>
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