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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LLD failed to link symbols with "protected" visibility"
href="https://llvm.org/bugs/show_bug.cgi?id=31476">31476</a>
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<tr>
<th>Summary</th>
<td>LLD failed to link symbols with "protected" visibility
</td>
</tr>
<tr>
<th>Product</th>
<td>lld
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>ELF
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mail+llvm@tzik.jp
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>On ToT LLD, I hit a link error when I try to use protected symbol in a .so from
an elf binary.
Here is a repro:
$ cat > foo.c <<EOF
void foo() {}
EOF
$ clang -shared -fPIC -fvisibility=protected -o libfoo.so foo.c
$ cat > bar.c <<EOF
void foo();
int main() {
foo();
return 0;
}
EOF
$ clang -fuse-ld=lld bar.c libfoo.so
ld.lld: error: bar.c:(function main): cannot preempt symbol 'foo' defined in
libfoo.so</pre>
</div>
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