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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - -Wnon-virtual-dtor should not trigger if the base class has a protected destructor"
href="https://llvm.org/bugs/show_bug.cgi?id=25258">25258</a>
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<th>Summary</th>
<td>-Wnon-virtual-dtor should not trigger if the base class has a protected destructor
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</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>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>klimek@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>struct A { virtual void a(); protected: ~A() = default; };
struct B : public A { void a() override; };
/tmp/t.cc:2:8: warning: 'B' has virtual functions but non-virtual destructor
[-Wnon-virtual-dtor]
struct B : public A { void a() override; };
^
1 warning generated.
As there is no way to destruct a B object through an A pointer, this should be
allowed.</pre>
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