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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Clang reports copy constructor being implicitly deleted when it's not called in C++11 mode"
href="https://llvm.org/bugs/show_bug.cgi?id=27671">27671</a>
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<th>Summary</th>
<td>Clang reports copy constructor being implicitly deleted when it's not called in C++11 mode
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.5
</td>
</tr>
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<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++11
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>wanyingloo@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvm-bugs@lists.llvm.org, sig-rnd-sat-clang-bugs@synopsys.com
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The following code compiles successfully in Clang 3.4 and GCC 5.2. Clang 3.5
and higher issues an error in C++11 mode.
$ cat test.cpp
struct Base
{
Base();
private:
Base(const Base&);
};
struct D: public Base
{
D(char*) {}
};
void func() {
(void)new D("");
}
$ /opt/pkg/gcc-5.2.0/bin/g++ -c -w -std=c++11 test.cpp
$ /opt/pkg/clang-3.4/bin/clang -c -w -std=c++11 test.cpp
$ /opt/pkg/clang-3.5.0/bin/clang -c -w test.cpp
$ /opt/pkg/clang-3.5.0/bin/clang -c -w -std=c++11 test.cpp
test.cpp:12:13: error: call to implicitly-deleted copy constructor of 'D'
(void)new D("");
^ ~~
test.cpp:7:11: note: copy constructor of 'D' is implicitly deleted because base
class 'Base' has an
inaccessible copy constructor
struct D: public Base
^
1 error generated.</pre>
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