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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - split DWARF .dwo not saved/restored by ThinLTO cache"
href="https://bugs.llvm.org/show_bug.cgi?id=46692">46692</a>
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<th>Summary</th>
<td>split DWARF .dwo not saved/restored by ThinLTO cache
</td>
</tr>
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<th>Product</th>
<td>tools
</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>Linux
</td>
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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>
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<th>Component</th>
<td>lto
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>trass3r@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>clang++ -O3 -flto=thin -gsplit-dwarf test.cpp -o test -fuse-ld=lld
-Wl,--thinlto-cache-dir=/tmp/testltocache
or
clang++ -O3 -flto=thin -gsplit-dwarf test.cpp -o test
-Wl,-plugin-opt,cache-dir=/tmp/testltocache
The first time it runs it does produce a test_dwo/1.dwo file but after that it
fetches the object file from the cache and the .dwo is lost.</pre>
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