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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Clang incorrectly removes a definition"
href="https://llvm.org/bugs/show_bug.cgi?id=27895">27895</a>
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<th>Summary</th>
<td>Clang incorrectly removes a definition
</td>
</tr>
<tr>
<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>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Frontend
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>katya_romanova@playstation.sony.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Consider the following test:
template < typename T, int N = 0 > class SafeHybridArray {
public:
virtual T& operator [] (int aIndex);
T ar[N+1];
};
template <typename T, int N> T& SafeHybridArray<T, N >::operator[](int i) {
return ar[i];}
extern SafeHybridArray<bool, 10> Blobs;
bool abcd(int a)
{
return Blobs[a];
}
Clang removes a definition for SafeHybridArray<bool, 10>::operator[](int). I
don't see an explanation why this might be legal.
This started to happen after commit "r227073 - Don't let virtual calls and
dynamic casts call Sema::MarkVTableUsed()", so most likely it's a regression.</pre>
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