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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Clang-cl Friend class error: elaborated type refers to a type alias"
href="https://llvm.org/bugs/show_bug.cgi?id=30586">30586</a>
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<th>Summary</th>
<td>Clang-cl Friend class error: elaborated type refers to a type alias
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>C++
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jvapen@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=17392" name="attach_17392" title="Reproduction">attachment 17392</a> <a href="attachment.cgi?id=17392&action=edit" title="Reproduction">[details]</a></span>
Reproduction
While trying to get an MSVC code base compiling with clang-cl, we ran against
following error: elaborated type refers to a type alias
Code (For full code, see attachment):
template<typename T>
struct A {};
template<typename T>
struct B
{
using A = A<T>;
friend class A;
};
int main(int argc, char **argv)
{
B<int> b;
return 0;
}
However, the same code does compile with MSVC2013.
Known workarounds:
- drop the class-keyword
- Use fully qualified name (A<T>) with friend declaration before the
using-statement</pre>
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