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<base href="https://bugs.llvm.org/">
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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 - clang bus error at optimization level 1 or higher"
href="https://bugs.llvm.org/show_bug.cgi?id=33127">33127</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang bus error at optimization level 1 or higher
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>4.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>OpenBSD
</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>Frontend
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>Todd.Miller@courtesan.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=18488" name="attach_18488" title="qsort_test.c (unprocessed)">attachment 18488</a> <a href="attachment.cgi?id=18488&action=edit" title="qsort_test.c (unprocessed)">[details]</a></span>
qsort_test.c (unprocessed)
$ /usr/local/bin/clang -v -O1 -c /usr/src/regress/lib/libc/qsort/qsort_test.c
clang version 4.0.0 (tags/RELEASE_400/final)
Target: amd64-unknown-openbsd6.1
Thread model: posix
InstalledDir: /usr/local/bin
"/usr/local/bin/clang-4.0" -cc1 -triple amd64-unknown-openbsd6.1 -emit-obj
-disable-free -disable-llvm-verifier -discard-value-names -main-file-name
qsort_test.c -mrelocation-model pic -pic-level 1 -pic-is-pie -mthread-model
posix -mdisable-fp-elim -relaxed-aliasing -masm-verbose -mconstructor-aliases
-munwind-tables -target-cpu x86-64 -v -dwarf-column-info -debugger-tuning=gdb
-coverage-notes-file /usr/src/regress/lib/libc/qsort/qsort_test.gcno
-resource-dir /usr/local/bin/../lib/clang/4.0.0 -O1 -fdebug-compilation-dir
/usr/src/regress/lib/libc/qsort -ferror-limit 19 -fmessage-length 80
-stack-protector 2 -fobjc-runtime=gnustep -fdiagnostics-show-option -o
qsort_test.o -x c /usr/src/regress/lib/libc/qsort/qsort_test.c
clang -cc1 version 4.0.0 based upon LLVM 4.0.0 default target
amd64-unknown-openbsd6.1
#include "..." search starts here:
#include <...> search starts here:
/usr/local/bin/../lib/clang/4.0.0/include
/usr/include
End of search list.
clang-4.0: error: unable to execute command: Bus error (core dumped)
clang-4.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (tags/RELEASE_400/final)
Target: amd64-unknown-openbsd6.1
Thread model: posix
InstalledDir: /usr/local/bin
clang-4.0: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang-4.0: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-4.0: note: diagnostic msg: /tmp/qsort_test-108960.c
clang-4.0: note: diagnostic msg: /tmp/qsort_test-108960.sh
clang-4.0: note: diagnostic msg:
********************
xerxes [/usr/src/regress/lib/libc/qsort] %</pre>
</div>
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