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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - __has_feature(cxx_decltype_auto) is not implemented"
href="http://llvm.org/bugs/show_bug.cgi?id=19698">19698</a>
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<th>Summary</th>
<td>__has_feature(cxx_decltype_auto) is not implemented
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<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>C++1y
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>steveire@gmail.com
</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>#if __has_feature(cxx_decltype_auto)
#error Yes
#endif
clang++ -std=c++1y cxx_decltype_auto.cpp reports no error.
Grepping shows only docs.
$ git grep cxx_decltype_auto
docs/LanguageExtensions.rst:Use ``__has_feature(cxx_decltype_auto)`` or
docs/LanguageExtensions.rst:``__has_extension(cxx_decltype_auto)`` to determine
if support</pre>
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