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<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 --- - Unable to call a protected member function from a derived class"
href="https://llvm.org/bugs/show_bug.cgi?id=28517">28517</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Unable to call a protected member function from a derived class
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</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>C++14
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>roman.perepelitsa@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>struct B1 {
protected:
static void F(int);
};
struct B2 : B1 {
protected:
using B1::F;
static void F();
};
struct D : B2 {
template <class T>
using Void = decltype(D::F(T()));
};
void Test() {
using Void = D::Void<int>;
}
Expected behaviour: compiles.
Actual behaviour: compile error (see below).
15 : error: 'F' is a protected member of 'B2'
using Void = decltype(D::F(T()));
~~~^
19 : note: in instantiation of template type alias 'Void' requested here
using Void = D::Void<int>;
^
9 : note: declared protected here
using B1::F;
^</pre>
</div>
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