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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Can't implicitly cast from class with multiple inheritance to a base of a virtually base class if public inheritance follows after private or protected, but not before them"
href="https://llvm.org/bugs/show_bug.cgi?id=28591">28591</a>
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<th>Summary</th>
<td>Can't implicitly cast from class with multiple inheritance to a base of a virtually base class if public inheritance follows after private or protected, but not before them
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.1
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>MacOS X
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>maxim.mishchenko@gmail.com
</td>
</tr>
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<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># version: clang-703.0.31,
# sample.cpp
class foo {};
class foofoo: public foo {};
class private_bar: private virtual foofoo {};
class public_bar: public virtual foofoo {};
class foobar_public_first: public public_bar, public private_bar {};
class foobar_private_first: public private_bar, public public_bar {};
void test_foobar() {
foo *foo1 = new foobar_public_first(); // OK
foo *foo2 = new foobar_private_first(); // compile error - "Cannot cast
'foobar_private_first' to its private base class 'foo'"
}
So, availability of casting to base depends on how ancestor classes are ordered
in the inheritance list.</pre>
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