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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - lld produces invalid executable when statically linking against pthread"
href="https://llvm.org/bugs/show_bug.cgi?id=23390">23390</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>lld produces invalid executable when statically linking against pthread
</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>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>davide@freebsd.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>% cat thread.c
#include <pthread.h>
pthread_mutex_t mtx;
int
main(void)
{
pthread_mutex_lock(&mtx);
return (0);
}
% clang thread.c -o thread -c
% /exps/llvm/build/bin/lld -flavor gnu -Bstatic -o thread /usr/lib/crt1.o
/usr/lib/crti.o /usr/lib/crtbeginT.o -L/usr/lib thread.o -lpthread -lgcc
-lgcc_eh -lc -lgcc -lgcc_eh /usr/lib/crtend.o /usr/lib/crtn.o
% ./thread
Segmentation fault (core dumped)
lldb not really helpful here:
% /exps/llvm/build/bin/lldb ./thread
(lldb) target create "./thread"
Current executable set to './thread' (x86_64).
(lldb) run
Process 37235 launching
Killed</pre>
</div>
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