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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 crashes when linking libcryptopp with -O2 -flto"
href="https://bugs.llvm.org/show_bug.cgi?id=50646">50646</a>
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<th>Summary</th>
<td>LLD crashes when linking libcryptopp with -O2 -flto
</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
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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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
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</tr>
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<th>Reporter</th>
<td>krzpyrkosz@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, smithp352@googlemail.com
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24934" name="attach_24934" title="Build log">attachment 24934</a> <a href="attachment.cgi?id=24934&action=edit" title="Build log">[details]</a></span>
Build log
Hello, building the library with -O2 and -flto causes the lld to crash. Using
exclusively either -O2 or -flto works just well. I remember that I ran into
this problem a couple of months ago already using older lld too.
Source:
<a href="https://github.com/weidai11/cryptopp">https://github.com/weidai11/cryptopp</a>
Evironment:
$ clang --version
clang version 13.0.0 (<a href="https://github.com/llvm/llvm-project.git">https://github.com/llvm/llvm-project.git</a>
9b92ae01ee57e332e52d14c073fa3235498a9f2c)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/bin
$ uname -a
Linux vps 5.4.0-74-generic #83-Ubuntu SMP Sat May 8 02:35:39 UTC 2021 x86_64
x86_64 x86_64 GNU/Linux
Build commands:
CFLAGS='-O2 -flto' CXXFLAGS='-O2 -flto' LDFLAGS='-flto' CC=clang CXX=clang++
make shared 2>&1 | tee buildlog_O2_flto
Buildlog is attached</pre>
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