<html>
<head>
<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - __gnu_cxx::hash_map copy constructor is broken"
href="https://llvm.org/bugs/show_bug.cgi?id=26657">26657</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>__gnu_cxx::hash_map copy constructor is broken
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>3.8
</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>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>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>#include <ext/hash_map>
__gnu_cxx::hash_map<int, int> h1;
__gnu_cxx::hash_map<int, int> h2(h1);
In file included from ../llvm/4.cc:1:
/code/build-llvm/bin/../include/c++/v1/ext/hash_map:213:5: warning: Use of the
header <ext/hash_map> is deprecated. Migrate to
<unordered_map> [-W#warnings]
# warning Use of the header <ext/hash_map> is deprecated. Migrate to
<unordered_map>
^
/code/build-llvm/bin/../include/c++/v1/ext/hash_map:432:57: error:
'__non_const_iterator' is a private member of
'std::__1::__hash_const_iterator<std::__1::__hash_node<std::__1::pair<int,
int>, void *> *>'
__hash_map_iterator<typename _HashIterator::__non_const_iterator>
__i)
^
/code/build-llvm/bin/../include/c++/v1/ext/hash_map:659:16: note: in
instantiation of template class
'__gnu_cxx::__hash_map_const_iterator<std::__1::__hash_const_iterator<std::__1::__hash_node<std::__1::pair<int,
int>, void
*> *> >' requested here
insert(__u.begin(), __u.end());
^
../llvm/4.cc:9:31: note: in instantiation of member function
'__gnu_cxx::hash_map<int, int, __gnu_cxx::hash<int>,
std::__1::equal_to<int>, std::__1::allocator<std::__1::pair<const int,
int> > >::hash_map' requested here
__gnu_cxx::hash_map<int, int> h2(h1);
^
/code/build-llvm/bin/../include/c++/v1/__hash_table:383:39: note: implicitly
declared private here
typedef __hash_iterator<_NodePtr> __non_const_iterator;
^
1 warning and 1 error generated.</pre>
</div>
</p>
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