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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - std::pow<double, double> fails compilation"
href="http://llvm.org/bugs/show_bug.cgi?id=22486">22486</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>std::pow<double, double> fails compilation
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<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>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>eugeni.stepanov@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>#include <cmath>
auto x = std::pow<double, double>;
The above fails with:
In file included from ../8.cc:1:
/code/llvm/build/bin/../include/c++/v1/cmath:964:5: error: static_assert failed
""
static_assert((!(is_same<_A1, __result_type>::value &&
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../8.cc:3:15: note: in instantiation of function template specialization
'std::__1::pow<double, double>' requested here
auto x = std::pow<double, double>;
Basically, it is saying that at least one of the argument types must be
different from the result type. Is it correct?
typedef typename __promote<_A1, _A2>::type __result_type;
static_assert((!(is_same<_A1, __result_type>::value &&
is_same<_A2, __result_type>::value)), "")</pre>
</div>
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