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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Illegal instruction on <regex> in libstdc++ trunk"
href="http://llvm.org/bugs/show_bug.cgi?id=17600">17600</a>
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<th>Summary</th>
<td>Illegal instruction on <regex> in libstdc++ trunk
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</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>LLVM Codegen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>timshen@gcc.gnu.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>// Code that caused illegal instruction, with libstdc++ trunk.
// clang++ -std=c++11 this-file.cc
#include <regex>
using namespace std;
int main()
{
regex re("\\s+");
string s(" two words");
for (auto it = sregex_token_iterator(s.begin(), s.end(), re, -1);
it != sregex_token_iterator();
++it);
return 0;
}</pre>
</div>
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