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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [3.6] assertion failed when using -flto with undefined symbols"
href="http://llvm.org/bugs/show_bug.cgi?id=22351">22351</a>
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<th>Summary</th>
<td>[3.6] assertion failed when using -flto with undefined symbols
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>gold-plugin
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sgvozdar@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Reproducer:
int foo();
int main()
{
return foo();
}
#3.6
$ clang -flto main.cpp
repo/tools/gold/gold-plugin.cpp:636: std::unique_ptr<Module>
getModuleForFile(llvm::LLVMContext &, <anonymous>::claimed_file &,
llvm::raw_fd_ostream *, StringSet<> &, StringSet<> &): Assertion
`GV->hasComdat()' failed.
clang: error: unable to execute command: Aborted (core dumped)
clang: error: linker command failed due to signal (use -v to see invocation)
#trunk
$ clang -flto main.cpp
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Sergey Gvozdarev
===============
Software Engineer
Intel Compiler Team</pre>
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