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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - std::decay mishandles abominable function types"
href="http://bugs.llvm.org/show_bug.cgi?id=32606">32606</a>
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<th>Summary</th>
<td>std::decay mishandles abominable function types
</td>
</tr>
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<th>Product</th>
<td>libc++
</td>
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<th>Version</th>
<td>4.0
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>rs2740@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
</td>
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<p>
<div>
<pre>The current implementation causes a hard error when given an abominable
function type like 'int () const' because the non-taken branch of the
std::conditional ('typename remove_extent<_Up>::type*') attempts to form a
pointer to it:
template <class _Tp>
struct _LIBCPP_TEMPLATE_VIS decay
{
private:
typedef typename remove_reference<_Tp>::type _Up;
public:
typedef typename conditional
<
is_array<_Up>::value,
typename remove_extent<_Up>::type*,
typename conditional
<
is_function<_Up>::value,
typename add_pointer<_Up>::type,
typename remove_cv<_Up>::type
>::type
>::type type;
};</pre>
</div>
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