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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 --- - Missed optimization: replace the C2 constructor with the base class C2"
href="http://llvm.org/bugs/show_bug.cgi?id=21224">21224</a>
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<th>Summary</th>
<td>Missed optimization: replace the C2 constructor with the base class C2
</td>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<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>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>-New Bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>rafael.espindola@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Given
struct bar {
bar();
~bar();
};
template<typename T>
struct foo : public bar {
};
foo<int> x;
the D2 destructor of foo is just replaced with the D2 destructor of bar, but
for the constructor we end up with
define linkonce_odr void @_ZN3fooIiEC2Ev(%struct.foo* %this) unnamed_addr #0
align 2 {
entry:
%0 = bitcast %struct.foo* %this to %struct.bar*
call void @_ZN3barC2Ev(%struct.bar* %0)
ret void
}</pre>
</div>
</p>
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