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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - __bit_iterator move_backward looks incorrect"
href="http://llvm.org/bugs/show_bug.cgi?id=22000">22000</a>
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<th>Summary</th>
<td>__bit_iterator move_backward looks incorrect
</td>
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<th>Product</th>
<td>libc++
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>mike.marcin@gmail.com
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</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>move_backward is implemented as follows for __bit_iterator
template <class _Cp, bool _IsConst>
inline _LIBCPP_INLINE_VISIBILITY
__bit_iterator<_Cp, false>
move_backward(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp,
_IsConst> __last, __bit_iterator<_Cp, false> __result)
{
return _VSTD::copy(__first, __last, __result);
}
which copies [__first, __last) into the range beginning at __result where as
move_backward expects the destination range to end at __result.
the obvious correction is:
template <class _Cp, bool _IsConst>
inline _LIBCPP_INLINE_VISIBILITY
__bit_iterator<_Cp, false>
move_backward(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp,
_IsConst> __last, __bit_iterator<_Cp, false> __result)
{
return _VSTD::copy_backward(__first, __last, __result);
}</pre>
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