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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Invalid code accepted"
href="http://llvm.org/bugs/show_bug.cgi?id=18393">18393</a>
</td>
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<tr>
<th>Summary</th>
<td>Invalid code accepted
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>3.3
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<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++
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pipping@exherbo.org
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>class Parent {
void virtual f() = 0;
};
class Child : public Parent {
void virtual f() {};
};
class X {
public:
X() : v_() {}
Parent g() const { return v_; }
private:
Child const v_;
};
void f(Parent const &) {}
int main(void) {
X x;
f(x.g());
}
Rejected by gcc, (4.7.2) accepted by clang. I believe gcc is right since x.g()
returns a copy of a an abstract class, which doesn't make any sense.</pre>
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