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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 --- - NewGVN cause clang to crash when compiling neon"
href="https://llvm.org/bugs/show_bug.cgi?id=31491">31491</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>NewGVN cause clang to crash when compiling neon
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</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>Scalar Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lukebenes@hotmail.com
</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>Created <span class=""><a href="attachment.cgi?id=17787" name="attach_17787" title="Reproducer .c">attachment 17787</a> <a href="attachment.cgi?id=17787&action=edit" title="Reproducer .c">[details]</a></span>
Reproducer .c
Steps to reproduce:
1. Download neon 0.30.0, <a href="http://www.webdav.org/neon/">http://www.webdav.org/neon/</a>
2. export CFLAGS="-O3 -march=native -mllvm -enable-newgvn"
3. ./autogen.sh &&& ./configure && make
Output:
/include/mit-krb5 -I.. -DNE_PRIVATE=extern -O3 -march=native -mllvm
-enable-newgvn -prefer-pic -c ne_auth.c -o ne_auth.lo
clang-4.0: error: unable to execute command: Killed
clang-4.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (trunk 290647)
Target: x86_64-unknown-linux-gnu
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/ne_auth-4a6c83.c
clang-4.0: note: diagnostic msg: /tmp/ne_auth-4a6c83.sh</pre>
</div>
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