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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Bogus access error when befriending a member function template specialization"
href="https://llvm.org/bugs/show_bug.cgi?id=30859">30859</a>
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<th>Summary</th>
<td>Bogus access error when befriending a member function template specialization
</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>All
</td>
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<th>OS</th>
<td>All
</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
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<th>Reporter</th>
<td>rs2740@gmail.com
</td>
</tr>
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<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>From <a href="http://stackoverflow.com/q/40350327/2756719">http://stackoverflow.com/q/40350327/2756719</a>. Repro:
struct X
{
template <class T> static void f() { g<T>(); }
private:
template <class T> static void g() {};
};
struct Y
{
friend void X::f<Y>(); /// #1
};
int main()
{
X::f<Y>();
}
results in the following obviously bogus error:
prog.cc:3:42: error: 'g' is a private member of 'X'
template <class T> static void f() { g<T>(); }
^~~~
prog.cc:15:8: note: in instantiation of function template specialization
'X::f<Y>' requested here
X::f<Y>();
^
prog.cc:5:36: note: declared private here
template <class T> static void g() {};
^
1 error generated.
Commenting out line #1 makes the code compile, suggesting that somehow the
friend declaration caused the access checking to be done in the wrong context.</pre>
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