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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [MSVC] 'mutable' must be allowed to be applied to references"
href="http://llvm.org/bugs/show_bug.cgi?id=22444">22444</a>
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<th>Summary</th>
<td>[MSVC] 'mutable' must be allowed to be applied to references
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</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
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>a.bataev@gmx.com
</td>
</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>#include <future>
int main (){
return 0;
}
Standart c++ header <future> includes <ppltasks.h> (line 18). <ppltasks.h> in
it's turn uses header
<ppl.h>(line 21), where such definition appears:
mutable _Combinable_type &_Combinable; // (line 4151: column 5)
In such definition keyword mutable is applied to a reference type despite the
fact that it violates C++11 standart:
"The mutable specifier shall appear only in the declaration of a non-static
data member (9.2) whose type is
neither const-qualified nor a reference type." (C++11 standart: 7.1.1 Storage
class specifiers)</pre>
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