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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - std::future regression"
href="https://llvm.org/bugs/show_bug.cgi?id=23099">23099</a>
</td>
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<tr>
<th>Summary</th>
<td>std::future regression
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.6
</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>C++11
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dirk.ribbrock@mathematik.tu-dortmund.de
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Since using clang 3.6.0, the following code crashes with
"Illegal instruction (core dumped)"
Whereas clang 3.5.0 returns the correct output value "1"
//file future.cpp
#include <thread>
#include <future>
#include <iostream>
int bla()
{
return 1;
}
int main()
{
std::future<int> f = std::async(std::launch::async, bla);
f.wait();
std::cout<<f.get()<<std::endl;
return 0;
}
//end file
Build it with
clang++ --std=c++11 -lpthread future.cpp</pre>
</div>
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